GAI-Tronics ACC2500 Audio Control Center - Manual (Page 4)

Table of Contents ACC2500 Audio Control Center
09/08 Pub. 42004-417A
iv
Reloading Factory Defaults ......................................................................................................................... 25
Main Diagnostics Selection ......................................................................................................................... 26
PB1 – Line Output Adjust ............................................................................................................................ 26
PB2 - Line-In Sensitivity .............................................................................................................................. 27
PB3 – Internal Diagnostics.......................................................................................................................... 28
PB1 – Relay Module Diagnostics ..............................................................................................................................28
PB2 – Toggle Backup Mode......................................................................................................................................28
PB3 – RS-232 Diagnostic..........................................................................................................................................28
PB4 – Keyboard Diagnostic ......................................................................................................................................29
PB4 – Tone/Alarm Diagnostics.................................................................................................................... 29
PB1 – Sidetone Level Adjust Mode...........................................................................................................................29
PB2 – DTMF Level Adjust Mode .............................................................................................................................30
PB3 –AMI Message Diagnostics ...............................................................................................................................30
Time Setting................................................................................................................................................. 30
THEORY OF OPERATION ............................................................................................................................. 31
G ENERAL D ESK S ET O VERVIEW ......................................................................................................................... 31
R ECEIVE A UDIO ................................................................................................................................................ 31
S PEAKER A UDIO ................................................................................................................................................ 31
T RANSMIT A UDIO ............................................................................................................................................. 32
M ICROPHONE A UDIO ......................................................................................................................................... 32
R ELAY C ONTROL M ODULE ................................................................................................................................ 32
R ESET C IRCUIT ................................................................................................................................................. 32
CARD SUITE PROGRAMMING SOFTWARE .............................................................................................. 33
G ENERAL D ESCRIPTION ..................................................................................................................................... 33
C ONNECTION .................................................................................................................................................... 33
I NSTALLATION .................................................................................................................................................. 33
R EADING THE U NIT ........................................................................................................................................... 33
CARD S UITE P ROGRAMMING ............................................................................................................................ 34
Editing Screen ............................................................................................................................................. 34
P ROGRAMMING THE ACC2500 .......................................................................................................................... 34
Zone Field Name ......................................................................................................................................... 34
Alarm Field Name ....................................................................................................................................... 34
DTMF Setup ................................................................................................................................................ 34
Page PTT Pretime.....................................................................................................................................................34
Zone Address Length ................................................................................................................................................35
Preamble Digits ........................................................................................................................................................35
Zone Activation Duration..........................................................................................................................................35
DTMF Digit Time ....................................................................................................................................................35
Restrict Entry of Manual Zones.................................................................................................................................35
Restrict DTMF Over Dial .........................................................................................................................................35
Preprogrammed Zone/Alarm Aliases ........................................................................................................... 35
Preprogrammed Zone / No Alarm..............................................................................................................................35
Preprogrammed Zone with Alarm .............................................................................................................................36
Programmable Buttons ................................................................................................................................ 36
Other Necessary Programming Settings....................................................................................................... 36
TROUBLESHOOTING..................................................................................................................................... 37
T ROUBLESHOOTING THE ACC2500 D ESK S ET .................................................................................................... 37
F USE R EPLACEMENT .......................................................................................................................................... 38
CIRCUIT BOARDS ........................................................................................................................................... 39
SCHEMATICS................................................................................................................................................... 43
NOTES ............................................................................................................................................................... 52