Telex C-2002 - Manual (Page 3)

Remote Control Console
i
Table of Contents
1 INTRODUCTION ...............................................................................................................................................1
2 CONTROLS AND INDICATORS.....................................................................................................................2
2.1 F RONT P ANEL .................................................................................................................................................2
2.1.1 Common Controls and Indicators .........................................................................................................2
2.2 R EAR P ANEL C ONNECTIONS ...........................................................................................................................3
2.2.1 Rear Panel Ports ...................................................................................................................................3
3 OPERATION .......................................................................................................................................................5
3.1 S ELECTING A LINE ..........................................................................................................................................5
3.2 R ELEASING A LINE ..........................................................................................................................................5
3.3 M UTING A LINE ...............................................................................................................................................5
3.4 S ELECTING A FREQUENCY (F-T ONE )...............................................................................................................5
3.5 S UPERVISORY CONTROL .................................................................................................................................5
3.6 S ENDING A LERT TONES ..................................................................................................................................5
3.7 V OLUME C ONTROL .........................................................................................................................................5
4 LINE SETUP AND DESCRIPTION .................................................................................................................6
4.1 INTRODUCTION/DEFAULTS....................................................................................................................6
4.2 FEATURE DESCRIPTION ..........................................................................................................................6
4.2.1 Crossmute ..............................................................................................................................................6
4.2.2 Supervisor Function ..............................................................................................................................7
4.2.3 Relay Contact Closure For Local Control ............................................................................................7
4.2.4 Two-Wire/Four-Wire Mode ...................................................................................................................7
4.2.5 RX Side Settings.....................................................................................................................................7
4.2.6 TX Side Settings .....................................................................................................................................8
4.2.7 Transmit Monitor...................................................................................................................................8
4.3 L EVEL A DJUSTMENTS .....................................................................................................................................9
4.3.1 Transmit Side Adjustments ....................................................................................................................9
4.3.2 Transmit Monitor Setup.........................................................................................................................9
4.3.3 RX Level Adjustment..............................................................................................................................9
5 HARDWARE OVERVIEW .............................................................................................................................10
5.1 C-2002 C ONSOLE .........................................................................................................................................10
5.1.1 Main PCB ............................................................................................................................................10
5.1.1.1 Line Interface......................................................................................................................................................... 10
5.1.2 Keypad PCB ........................................................................................................................................10
5.1.3 Display.................................................................................................................................................10
6 THEORY OF OPERATION ............................................................................................................................11
6.1 M ICROPHONE I NPUT P ATHS ..........................................................................................................................11
6.2 A UDIO O UTPUT P ATHS .................................................................................................................................11
6.3 L INE R ECEIVE P ATHS L INE (O NE /T WO )........................................................................................................11
6.4 S YSTEM C LOCK G ENERATION ......................................................................................................................12
6.5 N ON -V OLATILE M EMORY (EEPROM).........................................................................................................12
6.6 U SER I/O ......................................................................................................................................................12
6.7 C LONE M ODE S ERIAL P ORT ..........................................................................................................................12
6.8 P OWER R EGULATION AND R ESET C ONTROL .................................................................................................12
7 SETUP MODE...................................................................................................................................................13
7.1 T ECH M ODE .................................................................................................................................................13
7.1.1 Erasing all settings ..............................................................................................................................13
7.1.2 Resetting the PIN Number ...................................................................................................................13
7.1.3 Opening Display Menu ........................................................................................................................14
7.1.4 Button Activated Setup Modes .............................................................................................................15
7.2 O PENING MENU ............................................................................................................................................15