1. INTRODUCTION.................................................................................................................................................................................. 3
FRONT PANEL ................................................................................................................................................................................... 4
REAR PANEL ...................................................................................................................................................................................... 5
3. WORKING PRECAUTIONS................................................................................................................................................................ 6
4. INSTALLATION ................................................................................................................................................................................... 6
UNPACKING ..................................................................................................................................................................................... 6
MOUNTING....................................................................................................................................................................................... 6
CHANGING THE FUSE ..................................................................................................................................................................... 6
CONNECTING TO THE MAINS........................................................................................................................................................ 7
EMERGENCY BATTERY PLACEMENT .............................................................................................................................................. 7
PROGRAM INPUT CONNECTION................................................................................................................................................... 7
UNBALANCED INPUT:.................................................................................................................................................................. 8
BALANCED INPUT: ....................................................................................................................................................................... 9
PA OUTPUT CONNECTION ............................................................................................................................................................. 9
UNBALANCED OUTPUT:.............................................................................................................................................................10
BALANCED INPUT: ...................................................................................................................................................................... 11
PA OUTPUT RELAY CONNECTION ................................................................................................................................................ 11
EXTERNAL UNITS CONNECTION ...................................................................................................................................................12
5. OPERATION .......................................................................................................................................................................................15
HEADSET CONNECTION.................................................................................................................................................................15
HEADSET VOLUME CONTROL .......................................................................................................................................................16
BUZZER ON/OFF SWITCH..............................................................................................................................................................16
CALL SWITCH...................................................................................................................................................................................17
MIC ON/OFF/PUSH TO TALK SWITCH.........................................................................................................................................17
SIDETONE CONTROL.......................................................................................................................................................................18
PROGRAM INPUT LEVEL CONTROL..............................................................................................................................................18
PROGRAM TO HEADPHONES CONTROL ....................................................................................................................................18
LINES A AND B LINK SWITCH........................................................................................................................................................18
SLAVE CHANNELS LINK SWITCH ..................................................................................................................................................19
6. OPTIONS............................................................................................................................................................................................19
PROGRAM INPUT TRANSFORMER (IT-DA) ..................................................................................................................................19
PA OUTPUT TRANSFORMER (OT-DA) ..........................................................................................................................................19
SECURITY COVER (TP-1)..................................................................................................................................................................19
KEY LOCKED SECURITY COVER (TS-1) ..........................................................................................................................................19
7. SPECIAL OPERATIONS.....................................................................................................................................................................20
PROGRAM INPUT TRANSFORMER (IT-DA) .................................................................................................................................20
OUTPUT TRANSFORMER (OT-DA)................................................................................................................................................20
CHANGING THE MIC GAIN ...........................................................................................................................................................21
PA OUTPUT CONFIGURATION......................................................................................................................................................21
CHANGING THE BUZZER LEVEL...................................................................................................................................................23
8. BLOCK DIAGRAM AND HOW IT WORKS.....................................................................................................................................25
9. REPAIR GUIDE .................................................................................................................................................................................. 27
10. APPLICATION EXAMPLE................................................................................................................................................................28
11. TECHNICAL SPECIFICATIONS ........................................................................................................................................................29
12. WARRANTY.....................................................................................................................................................................................30
E-200 SERIES INTERCOM SYSTEM - EF-200 DUAL CHANNEL MASTER STATION
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