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Sierra Radio Systems Series 200 Control System Owners Manual Version 1.2.
2 Table of Contents Introduction Hardware overview Architecture Configuring and installing the hardware boards External connections Configuring the control system Introduction Using DTMF Using a PC an.
3 Introduction This manual provides all the basic informat ion you need to know to get your control system installed, configured and on the air quickly.
4 Architecture Overview The Series 200 control systems are very modular and scalable. The basic architecture includes a master CPU board, from 1 to 8 Radio Control Boards (RCBs), and a backp lane to provide the interconnection between boards .
5 System Installation Checklist Basic Checklist Summary This is a reminder of the basic steps to get your control system configured and running. Hardware installation and external connections Configure all necessary jumpers on each board. Plug boards into the backplane in the correct slots.
6 Configuring the CPU Board Most of the boards in the control system hav e one or more jumpers that c an be set to configure the board for various special purpos es. The default configuration will be used in most cases. Refer to the SRS Hardware Reference manuals for more details on each board and the various jumper options.
7 JU4 - PGC Pullup IN : Default. Install this jumper for using Con 3, the 10 pin header connector for in- circuit pr ogramming. OUT : Remove the jumper when using Con 5, the ICD programming jack. NOTE: When using the ICD jack, you MUST cut the trace on the bottom of board.
8 Configuring the Radio Control Board The radio control board provides the audio interface, level set, audio mixing, local telemetry (key up and CW ID) generation, se rial radio control interface, extra user programmable open collector outputs. One RCB is required for every radio or VOIP computer in the system.
9 JU5 - PL_Filter (NC) OUT: Remove jumper is using a companion si gnaling board like the microwave or PL encode / decode boards. IN: Default. Install the jumper when opearting the RCB without any signal conditioning boards. JU6 - DAC Pot Mid OUT: Default .
10 Default RCB Jumper Configuration Radio Note: There are two jumpers labeled “JU6”, the “DAC pot mid” jumper and the “last port” jumper. The RCB jumpers should all be set to the de faults. Additionally, each RCB must be jumpered with the proper addresses set.
11 Hardware Orientation Power Supply Board The power supply board provides a power switch and a power LED. The power switch provides primary power to the CPU, RCB and accessory boards. The 12 VDC from the external power connector is routed to all boards in the card cage and is not switched.
12 Configuring the Backplane The system will come configured as ordered. You will need to plug the various boards into the correct slots in the backplane. If your system is already assemble d as desired, you can skip this section. The Power Supply, CPU and the first Radio Control Board (RCB) must be placed in specific slots.
13 A basic 8 port controller will have the following configuration… Typical 8 port controller Slot Assignment 0 Power supply 1 Reserved for future expansion 2 Reserved for future expansion 3 CPU 4 R.
14 Using Optional Signaling Boards If optional signaling boards such as t he mi crowave radio board or PL encode / decode boards are used, they are placed in the slot immediately to the right of the radio control board.
15 External Connections Backplane DC Power Connection Basic Checklist Make sure you connect the control system to an external 12 VDC power source. The control system typically uses +12 to +14 VDC and will operate down to10 VDC with no problems.
16 CPU Board Connections The are three types of external connections on the CPU board, the configuration serial port connector, the general purpose I/O co nnector and the in-circuit programming connectors.
17 Con_3 - In-Circuit Progamming Connector The in-circuit programming connector, Con_3, is used to download new versions of firmware to the main CPU. This is a 10 pin head er connector designed to be used for in- circuit programming with an ME Labs in-circuit programmer.
18 Radio Control Board (RCB) Connections Basic Checklist Make sure you connect each radio, computer or other external device to the control system RCBs using the DB9 connector on the front of the RCB.
19 Radio control cable. The radio co ntrol cable connects the control syst em to the individual radios. The cable is a 9 pin, shielded cable with all 9 connections wi red straight t hrough, with pin 1 to 1, 2 to 2, etc. In-circuit programming connector This is a 10 pin, dual row header connector .
20 Microwave Radio Interface Board This board can be configured to drive a mi crowave radio that requires balanced audio and E & M signaling. Modular jack pin outs Pin Use 1 Balanced Tx audio out .
21 AS-3 Audio Squelch Board Pin 1 High impedence Rx audio input from receiv er. Input can range from 0 to 2v peak-to-peak. Anything around 1 v p/p works great. Rx audio may be unsquelched. Pin 2 COR ("Carrier Operated Relay"), an acti ve low signal.
22 Radio I/O – II (RIO-II) Board.
23 Configuring the Control System.
24 Control System Configuration Software Overview Sierra Radio Systems supplies a software co nfiguration program called “config” that allows the system administrator to configure the control system through a Windows- based PC. Config can be used in may different ways to c onfigure a Sierra Radio Systems control system.
25 The steps are simple and in some cases some ste ps can even be skipped. Here is a description of what each step does… 1. Reset all parameters This will set all the configuration parameters in the config program to their normal default values. Then the configuration file “ default.
26 Call signs and location IDs can be up to 20 characters. The site prefix should be 1, 2 or three unique digits. All site prefix codes are # followed by the parameter that you enter. If you enter 123, then your prefix will be #123. Unlock codes should be something that only system administrators know.
27 Repeater port type Used for normal repeater operation. Loops repeater receiver audio to transmitter, uses transmitter carrier delay, mutes all DTMF au dio to the transmitter but passes DTMF to the links, etc. Link port type Used for RF or “private” internet VOIP po int to point network links.
28 If the port type is “Remote Base” then the remote base type should be selected for the controller to generate the correct frequency and mode control data sent to the remote base radio. Groups The control system can support up to 3 indepe ndent groups of ports.
29 3. Set Audio Levels Each radio control board has 4 digitally cont rolled audio level set potentiometers. The control the receiver and transmitter audio levels, telemetry level generated by the RCB that is sent only to that specific transmitter and an auxiliary audio input level.
30 pressing one of the buttons on the right side of the screen. It Up 10 and Down 10 lets you move quickly across the range of the pot while Up 1 / Down 1 let you fine tune your levels. 4 . Set Command Names and Macros The control system comes with several dozen built in commands.
31 The dialog box will open with a default file name of “ newfile ”. It is recommended that you change the name to something more meaningful, like the name of the radio site or a version number of your own making. If you enter “bigmountain” for example, you will create a configuration file named bigmountain.
32 Once the configuration has been downloaded into the controller, a notice box will appear to let you know that the configuration download is done. At this point you are done configuring your control system and have created a reusable configuration file.
33 Terminology and File System Files The standard distribution of config comes with a set of support files as follows… Config_xxx.exe This is the main config program. *.sll, *.dll, *.tkn These files are part of the config program. config.env The config program environment file containing PC installation and configuration data.
34 All lines starting with a si ngle quote ’ are comments and are ignored by the config program. Switches start with a forward slash / followed by a name s uch as port_0_type followed by a space then data. In this example the line assigns the port 1 personality type to b e a 1 which means a repeater.
35 Script File s xxxxxx.scr The control system accepts commands either from the DTMF decoder or through the serial port on othe main CPU board. A simple program like HyperTerm can be connected to the serial port and you can simply type in commands and look at the results on your screen.
36 Script files support the following config.env environm ental variables. When th ese script directives are encountered, they over ride the de fault val ues supplied in t he config.env file . See the section on config.env for details. /command_delay 500 /digit_delay 20 Script files als o support the followin g config file (xxxxxx.
37 Config Program Environment File config.env Various environment variables are stored in the config.env file. This file is set up once per installation and does not move with th e specific controllers configuration. The format of the config.env file looks similar to the .
38 ‘Comments Any line that starts with a single quote ‘ is a co mment and the rest of the line is ignored by the config program. <empty> Any empty line is ignored by the config program.
39 Inst alling New Firmware.
40 Installing New Firmware To update the firmware on the main CPU or RCB boards, you must use an "in-circuit programmer". This device provides a co nnection between your computer and the control system boards. When installing new firmware, each board must be programmed individually.
41 Option 3 - The Serial Programmer in a plastic case You must order the following… SRC The melabs Serial Programmer ICSP board only ACAD AC adapter 10CAB 10 pin header cable 9 pin serial cable If you only have a USB connection you can use a USB to serial adapter.
42 Connecting to the Control System The in-circuit programmer connects to the co ntrol system board with 4 signals including a clock, data, MCLR and ground.
43 Connection method #1 – 10 pin head er and ribbon cable. Use this with the CPU or RCB boards. Connection method #2 – 10 pin head er to DB15 connector.
44 Downloading New Firmware to the Boards Before you can install new firmware, you will need to install the ME Labs EPIC programmer software on your PC. This softwa re is used to transfer the firmware image file from your PC to the flash memory of the CPU chips on the CPU, RCB or other boards.
45 ME Labs EPIC In-Circu it Programmer Settings The programmer must be configured to program the correct type of processor, and set various other parameters. The EPIC software version should be v3.31 beta or later. Select the type of processor. For v1.
46 After opening the Radio Control Board firmware .hex file using the File menu, the program will show the first few items of the processor configuration as follows:.
47 Downloading New Firmw are to the CPU Board To download new firmware, you should follow these steps… 1 - Turn off the power to the control system. 2 – For the CPU board, plug the short 10 pin ribbon cable into the C PU board.
48 Control System Operation.
49 Status indication LEDs on the Radio Control Board LED Functions Red power LED - Power has been applied to the RCB board. Green COR LED - A valid carrier signal is present Red TX LED - The control s.
50 Command Processor The heart of the control system includes a powerful command processor which reads all commands that come in either through the DTMF decoders or through the CPU board’s serial port, analyzes them and executes valid commands. Here are some important concepts to understand in the behavior of the command processor… 1.
51 Entering commands on a local repeater port When controlling from a repeater port, the co ntroller prefix is a DTMF star “*”. For example when entering command 123 you would key up and enter “* 1 2 3”. After successful decoding and execution of the 123 command, the control system wi ll generate the function complete “beep beep”.
52 If you prefix the remote system, and another user is in the middle of controlling the system from another port, you will get a busy signal. The default is the telco “busy signal” (pulsing 440 Hz and 680 Hz). When t he other user is done, you can then access the system.
53 Control System Command Reference Guide.
54 Control System Command Reference Guide The Series 200 control system comes with hundreds of built-in commands and command variations. Commands can be divided into 4 groups: common User Level commands, System Admin or “Super User” commands, System Configuration commands, and internal hardware commands.
55 System Configuration Commands These commands are used by the system admini strator to set up the specific behavior of the system. Typically these commands are defin ed once and don’t change. In most cases the default system configuration parame ters supplied with the control system will be used unaltered by the system administrator.
56 System Normal Commands These commands return the control system to a k nown, safe state. Some normal commands reset parts of the control system and o ther commands can reset all control system states to a know n condition. C300 (u) Site normal Sets normal conditions for the entire control system including all groups.
57 commands which require an unlock code. C304 (u) Link reset • Operates on the current group only • Connects link ports according to their normal link state as defined in the group definitions.
58 Identification C310 (u) Force CW ID Set ID timer to 0 on all radios in cu rrent group, thereby forcin g ID on all transmitters. Default 1064 Hz tone. C311 (u) Force local CW ID Same as C310, but forces only all th e local radios in the current group.
59 Repeater System on / off C002 (u) Repeater system off Disables all transmitters and command processing C003 (u) Repeater system on Inverse of C002 & only command recognized after C002 [] - command is always allowed.
60 C324 (u) Repeater status Provides on/off/disconnected status for local from which command comes, or lowest logical local in the same grou p as the command source if the source is a link.
61 Link Port Connection Commands C330 (u) Link off Unlinks specific radio in the current group. Syntax is *C330r, where r is the logical port number (linkmap is applied). This works with any port, includ ing port 0, not just link ports. C331 (u) Link on Links specific radio to all ot her linked radios in group.
62 This applied only to the current group. Consider an example in which a grou p contains a repeater on port 0, and links on port 1, 2, and 3, and all are initially linked together. Issuing C33303D will link the repeater and port 3, and unlink both from ports 1 and 2.
63 Port Access Mode – Carri er / CTCSS/DCS / Etc. C350 (u) COR mode COR only required for local repeater (command source port if it is a repeater, lowest logical numbered repeater port in the same group as the command source if the source is a link port).
64 Returns PL status for specific radio. Syntax is *C356r, where r is the port to change (link map is applied in versions after srsc0090e ). [pe] Command is not blocked if coming from same port whose status it is requesting, even if PL is on and missing.
65 Port Monitor Commands C340 (u) Remote monitors off Turns off remote monitor for the command source, wit h exception given above for remote monitor on. If the local port is in remmonl mode, then all remmonl ports in the group will have remmon cleared.
66 Force Transmitter on / off C298 (u) Force transmitter on Keys up a specific transmitter. Syntax is *C298n, where n is the physical port number. This will timeou t after 5 minutes, even if it is not reset with C299. C299 Cancel 298 Turns off force transmitter on.
67 Loopback C250 (u) Turn on loopback Turns on loopback (repeats input to output) for a specific port in the current group. Useful for testing links. Syntax is *C250n, where n is a logical port number (linkmap applied). C251 Turn off loopback Turns off loopback globally - all groups.
68 General Purpose I/O (GPIO) commands There are 5 user programmable general purpose output signals available on each radio control board (RCB). These signals are available on the DB15 aux I/O connector. Each signal is an open collector output with and active pull to ground.
69 Remote Base Commands C380 (u) Enable remote base port transmit Enables remote base port transmit. Syntax is C380r , where r is the logical port number 0..7. Will not do anything unless th e port link status is on. C381 (u) Disable remote base port transmit Disables remote base port transmit.
70 C404 (u) Set remote base radio frequency in Hz Syntax is C404rffffffffff , where r is the logical port number and ffffffffff is the absolute frequency in Hz. The maximum value is 2^32 Hz, or a little over 4 GHz. For radios capable of higher frequencies, the frequency entered is inte repreted as 10's of Hz.
71 C400 (u) Set remote base radio type This is cons idered a system administ rator command because the remote base type is set once when the system is initially configured.
72 System Admin (Super User) Commands Test Tone Commands C219 (u) Turn on test tone Turns a 1 kHz tone on and off for test purposes. Syntax is C219r r is the physical port of the ra dio 0..8, where 8 is the CPU card C220 (u) Turn off test tone Turns off the test tone fro m C219 Syntax is C220r, as for C219 .
73 nnn is the index of the sound sequen ce in the sound library. The tone amplitude is the same as that set for the test tone via comm and, C222. Link Port CTCSS/DCS Mode Commands C358 (u) Reset link PL mode to normal value Reset the PL mode for all non-local radios in the current group to the eeprom stored normal values.
74 Port Enable / Disable Master Commands C360 (u) Disable specific port Syntax is C360n, where n is the port number, with link map applied. This command does not save the state to eeprom, so will be reset to its previously s aved state on a processor reset.
75 C365 (su) Enable a super disabled port Enab le a su per disabled radio. Syntax is as for C364. This command does not save the state to eeprom, so will be reset to its previously saved state on a processor reset.
76 Command Enable / Disable Commands C368 (u) Command lockout specific radio Set command lockout for a radio. Syntax is C368n, where n is the port number, with link map applied. This command does not save the state to eeprom, so w ill be reset to its previously saved state on a processor reset.
77 DTMF Generation Commands C385 (u) Send dtmf string Sends dtmf string to a specific radio port. Syntax is C385rsssss…D r is the radio port 0..7 s is a dtmf string of up to 16 characters 0.
78 System Configuration Commands Unlock Code Management Commands C110 (su) Set unlock code Sets unlock code for enabling locked commands. This command requires a super unlock co de (code #0 or #1). The unlock code number is returned in the telemetry if successful.
79 C114 Set unlock code 0 (no radio control cards) No unlock code is required, but all ra dio control cards must be removed from the controller first. Syntax is C114sssssD C115 (su0) Set unlock code 0 Sets unlock code 0. Requires unlock code 0 to be used to unlock the controller first.
80 Configuring Basic Parameters – ID, prefix, loca tion ID C116 (u) Set the primary CW ID string S116 (u) Syntax is C116c1c 1c2c2c3c3c4c4…D Each character in the string is defi ned by two DTMF digits.
81 C117 (u) Get ID Returns the primary ID string C118 (u) Sets the secondary ID stri ng. S118 (u) This is used by radios for which the secondary ID flag bit is set. C119 (u) Get ID2 Returns the secondary ID string Site Prefix Commands C120 (u) Sets the prefix string.
82 Macro programming commands C130 (u) Set macro S130 (u) Defines a macro. C130 is for dtmf input, S130 is for RS-232 input. Syntax is C130c1c2c2, where the syntax is as for set ID, except the first few characters must define the macro numb er, followed by a sp ace.
83 C136 Macro function complete telemetry If placed last in a macro, this command forces function complete telemetry at macro end. This is useful if a conf iguration command is implemented by the macro, and it is desirable for the teleme try to be function complete instead.
84 CW Telemetry Commands C139 (u) Set CW WPM Sets the CW speed in words-per-minute for command telemetry. Syntax: C139 15 D.
85 Link Map C200 (u) Set link map The control system performs operations on port numbers 0…7. When we refer to these ports they are “logical ports” which are normally mapped one- for-one to the physical ports. This means that the RCB assig n ed a hardware port number of 0 will map to logical port number 0.
86 Port Type Assignment Each port must be assigned a port type. A port type defines is a set of characteristics that make the port exhibit a specific behavior.
87 Examples *C2010D sets the first port (physical port 0) as the only rep eater port *C202123456D set ports 2,3,4,5,6 as link ports *C2037D set port 7 to be a remote base port Any conflicts between these commands are resolved as the command is entered, in favor of values specifie d in the last command entered.
88 Group Configuration and Management The control system can support up to 4 independent groups. The default configuration uses one group (group #0) where all ports (0 -7) are part of the same logical system. Ports can be grouped so that each logical group (#0 to #3) can operate independentl y.
89 Restore the configuration to the programmed group configuration. Used to undo C212. C214 (u) Set current group Explicitly set the current group. Syntax is C214n Where n is the new current group number C215 (u) Set current group, radio Explicitly set the current group to th e one to which the specified port is a member.
90 Digital Pot Controls for Audio Level Setting The system contains multiple digital potentiometers used to set or “trim” various audio levels. There are two digital pots on the ma in CPU board and four digital pots on each of the radio control boards (RCB).
91 3 and 9 increment and decrement the pot values by 10, respe ctively D saves the value * escapes and returns the value to what it was before entering this command.
92 Setting Specific Digital Pot Values Setting audio levels to a specific value between 0 (minimum) and 255 (maximum) level. FUNCTION COMMAND USER NOTES CPU Board CPU reserve d C 2 2 3 8 0 <0…255.
93 Interactive Digital Pot Value Setting Interactively set the value of one pot. Syntax is *129rp…..D, where r is the radio (0..8, where 8 is the cpu card), p is the pot (0..3), and …. is a sequence of keystrokes to interactively set the pot val ue.
94 Port 5 Port 5 Rx lev el C 2 2 4 5 2 <Hot_Key s> Port 5 Tx level C 2 2 4 5 1 <Hot_Keys> Port 5 Local telemetry C 2 2 4 5 3 <Hot_Keys> Port 5 External tone C 2 2 4 5 0 <Hot_Ke ys.
95 Command Telemetry Routing C225 (u) Command telemetry goes only to source. Responsiveness to RS232 serial port commands is much faster if CW telemetry is turned off while entering commands from the ser ial port. This command should normally be invoked before configuration via the serial port for that reason.
96 Basic Configuration – ID, prefix, location ID S118 Set ID2 Sets the secondary ID string. This is used by radios for which the s econdary ID flag bit is set. S120 Set prefix Sets the prefix string. Syntax is the sa me as for Set ID. Beware that only 0.
97 Internal Hardware System Commands C000 (u) Reset processor C001 Send firmware version Returns the CPU firmware code version C021 (u) Send RCB firmware version Returns the version string for one radio card. Syntax is C021r r is the physical port number.
98 Firmware CRC Commands C010 (u) Boot CRC Returns CRC values determined at last configuration reset (first boot after programming CPU card processor, or first boot at eeprom valid byte reset, C100). The first value in the program ROM CRC, the second is the configuration parameter CRC in eeprom, the third is the macro table CRC i n eeprom.
99 EEPROM Management Commands The system configuration is stored in a serial eeprom external to the main processor on the CPU board. The serial eeprom can store 3 copies of the configuration parameters, including the ta ble of macros. They are designated the working set, backup set, and deep backup set.
100 C104 (su) Deep configuration backup Copy backup configuration set to th e deep backup set. This command should be used after the configuration backup command after a new configuration has been thoroughly tested. C105 (su) Deep configuration restore Copy deep backup configuration set to working set.
101 C109 (u) Get eeprom word Returns one word from eeprom as decimal. Syntax is C109aaaaD Valid eeprom address is between 0 and 13823 C10A(su) Set eeprom bytes Writes multiple sequential bytes in the configuration eeprom.
102 address range, they will be returned as 0. C10C (su) Get macro command table Copies macro command table to se rial eeprom, starting at address 41505. Note: The number 12 is written to eeprom address 41504 to confirm that the macro table was copied.
103 Configuration Parameters Timing Configur ation Parameter Name Description A ddr Default Value Type Set Value Get Value dtmf_qual_del ay leng t h of time dtmf tone must be det ected by hardware to .
104 Configuration Parameters Parameter Name Description A dd r Def ault Value Ty pe Se t Va l ue CW Parameters cwfreqs frequenc y for cw telemetry 180 800 special cwamp amplitude f or cw telem etry 18.
105 Methodology for System-wide Audio Level Setting.
106 Methodology for System-w ide Audio Level Setting Buffered audio from each of up to 8 receiv ers is distributed on the backplane. Each radio control board selects from 0 to 8 of th e receive signals to mix and send to th at particular transmitter. Each receiver and transmitter level can be adjusted with inter nal digital potentiometers.
107 Using the config program or DTMF set the Port 0 receive level digital pot for 0.5v p/p. This will be the reference point fo r adjusting all other audio levels. Step 2 – Set the Port 0 Tx level. While still generating the signal used in step 1, set your service monitor to receive the signal now being transmitted by the radio on port 0.
108 Now, set the CPU board’s telemetry digita l level set pot to 2.5 KHz deviation on the port 0 transmitter output. Step 7 – Turn off the built in test tone generator.
109.
110.
111 Appendix.
112 Glossary Radio Control Board One of the circuit boards plugged in to the backplane, which provides the interface between the controller and a radio transmitter and receiver combination or any other audio signal sour ce and destination, such as a n IRLP node or telephone interface.
113 v0.90 software has limited suppo rt for this type of port. Unlock code and Superunlock code or password Many controller commands cannot be executed until an unlock code is entered. This prevents unauthorized users from reconfiguring the system. There are up to 20 unlock codes, which are designated unlock code number 0 to 19.
114 Receive Qualification, S quelch and Transmit Timing In most cases, the audio from the receiver is muted when no carrier is detected. In this case, the receiver muting via the audio switch es is not critical in the controller. It’s primary purpose is to avoid passing noise or oth er audio which opens receiver squelch when PL is not detected.
115 A weak signal may not provide a reliable PL signal. If PL is o n, this can cause the audio switches to mute the weak audio. The receiv e unqualify delay should be set to prevent this from happening, while still providing the protection from passing grunge or undesirable keying of the transmitter.
116 Telemetry Tones and Level Control The amplitude of individual telemetry to nes and CW can be adjusted after the digital pots levels are properly set. The r e are no specific commands to ma ke these changes. The parameters must be chan ged by directly modifying the parameter value where it is stored in the serial eeprom.
117 Then reset the processor to load it into RAM. C000 C231 This is a somewhat complicated s et of steps, which will be simplif ied in a future version of the PC based config softwa re.
118 Software Architecture and Theory of Op eration This section of the manual is for those people interested in learning about the internal organization and behavior of the control system firmware. It is not necessary to understand all these details but will give you an deeper understanding of how it all works.
119 Serial EEPROM Stored values of configuration parameters, st ored values of unlock codes, stored and working table of macros. Memory usage for the Radio Control Board Program ROM Executable code and the library of sound sequences.
120 2. Macro strings are stored in the serial eeprom. They are included in the backups. 3. A tone sequence library is stored in pr ogram ROM. Pointers to the tone sequence library for particular telemetry sequences are stored in RAM and serial eeprom.
121.
Ein wichtiger Punkt beim Kauf des Geräts Sierra 200 (oder sogar vor seinem Kauf) ist das durchlesen seiner Bedienungsanleitung. Dies sollten wir wegen ein paar einfacher Gründe machen:
Wenn Sie Sierra 200 noch nicht gekauft haben, ist jetzt ein guter Moment, um sich mit den grundliegenden Daten des Produkts bekannt zu machen. Schauen Sie zuerst die ersten Seiten der Anleitung durch, die Sie oben finden. Dort finden Sie die wichtigsten technischen Daten für Sierra 200 - auf diese Weise prüfen Sie, ob das Gerät Ihren Wünschen entspricht. Wenn Sie tiefer in die Benutzeranleitung von Sierra 200 reinschauen, lernen Sie alle zugänglichen Produktfunktionen kennen, sowie erhalten Informationen über die Nutzung. Die Informationen, die Sie über Sierra 200 erhalten, werden Ihnen bestimmt bei der Kaufentscheidung helfen.
Wenn Sie aber schon Sierra 200 besitzen, und noch keine Gelegenheit dazu hatten, die Bedienungsanleitung zu lesen, sollten Sie es aufgrund der oben beschriebenen Gründe machen. Sie erfahren dann, ob Sie die zugänglichen Funktionen richtig genutzt haben, aber auch, ob Sie keine Fehler begangen haben, die den Nutzungszeitraum von Sierra 200 verkürzen könnten.
Jedoch ist die eine der wichtigsten Rollen, die eine Bedienungsanleitung für den Nutzer spielt, die Hilfe bei der Lösung von Problemen mit Sierra 200. Sie finden dort fast immer Troubleshooting, also die am häufigsten auftauchenden Störungen und Mängel bei Sierra 200 gemeinsam mit Hinweisen bezüglich der Arten ihrer Lösung. Sogar wenn es Ihnen nicht gelingen sollte das Problem alleine zu bewältigen, die Anleitung zeigt Ihnen die weitere Vorgehensweise – den Kontakt zur Kundenberatung oder dem naheliegenden Service.
