GAI-Tronics IPE2500A, IPE2500A-MLS Paging Encoder / Desktop Controller User and Installatoin Manual - Manual (Page 5)

IPE2500A and IPE2500-MLS Paging Encoder/Desktop Controller Table of Contents
03/12 Pub. 43004-008H
v
DTMF/H.E.A.R. F UNCTIONS ................................................................................................................................... 43
A UDIO A CCESSORY /RS-232 P ORT ........................................................................................................................... 43
M ICROPHONE S ENSITIVITY A DJUSTMENTS ............................................................................................................... 44
Internal Microphone ........................................................................................................................................... 44
Handset Microphone ........................................................................................................................................... 44
Accessory Microphone ........................................................................................................................................ 44
L EVEL A DJUSTMENTS AND D IAGNOSTICS ................................................................................................................. 45
Main Diagnostics Selection ................................................................................................................................ 45
Programming Menu ............................................................................................................................................ 45
Reloading Factory Defaults ................................................................................................................................ 47
PB1 – Line Output Adjust ................................................................................................................................... 47
PB2 - Line-In Sensitivity ..................................................................................................................................... 49
PB3 – Internal Diagnostics ................................................................................................................................. 50
PB4 – Tone Level Adjust ..................................................................................................................................... 53
CTL-PB1– Toggle Compressors ......................................................................................................................... 54
THEORY OF OPERATION .................................................................................................................................... 55
G ENERAL D ESK S ET O VERVIEW ............................................................................................................................... 55
R ECEIVE A UDIO ....................................................................................................................................................... 55
S PEAKER A UDIO ....................................................................................................................................................... 55
T RANSMIT A UDIO ..................................................................................................................................................... 56
M ICROPHONE A UDIO ................................................................................................................................................ 56
G UARD T ONE D ETECTION ........................................................................................................................................ 56
DC C ONTROL M ODULE ( NOT COMPATIBLE WITH MLS OPERATION ) ......................................................................... 57
R ELAY C ONTROL M ODULE ( NOT COMPATIBLE WITH MLS OPERATION ) ................................................................... 57
M ULTI -L INE S ELECT M ODULE ................................................................................................................................. 58
R ESET C IRCUIT ......................................................................................................................................................... 58
CARD SUITE PROGRAMMING SOFTWARE .................................................................................................... 59
G ENERAL D ESCRIPTION ............................................................................................................................................ 59
C ONNECTION ............................................................................................................................................................ 59
I NSTALLATION .......................................................................................................................................................... 59
R EADING THE U NIT .................................................................................................................................................. 59
CARD S UITE P ROGRAMMING .................................................................................................................................. 60
Editing Screen ..................................................................................................................................................... 60
TROUBLESHOOTING ............................................................................................................................................ 61
T ROUBLESHOOTING THE IPE2500A D ESK S ET ........................................................................................................ 61
F USE R EPLACEMENT ................................................................................................................................................ 62
CIRCUIT BOARDS .................................................................................................................................................. 63
SCHEMATICS .......................................................................................................................................................... 67
DEFINITIONS AND ACRONYMS ......................................................................................................................... 81