ZETRON Model 25, Product Manual, Page: 6 / 147

Contents
vi 025-9567E
Connecting the Power Supply to the Model 25 .......................................31
INSTALLATION PROCEDURE ........................................................................31
Initial Conditions .....................................................................................31
Procedure .................................................................................................31
INITIAL TESTING .............................................................................................31
Deviation ..................................................................................................32
Verification Mode ....................................................................................32
Serial Port Control ...................................................................................33
DISASSEMBLY AND CIRCUIT LOCATION ..................................................33
Keypad Enable/Disable ............................................................................34
Display Scroll Enable/Disable .................................................................35
Channel Busy Impedance ........................................................................35
Audio Level Adjustment Range ...............................................................35
Computer Port Connector Position ..........................................................36
Instant Call Clear Key Function ..............................................................36
Instant Call Left Column Function ..........................................................37
JUMPER AND SWITCH SETTINGS ................................................................37
Programming Enable/Disable Switch ......................................................38
REAR PANEL CONNECTIONS ........................................................................39
Transmitter and Console Control .............................................................40
Channel Busy Monitor .............................................................................42
Audio Output/Muting...............................................................................43
Tone Monitor ...........................................................................................43
Auxiliary Panels .......................................................................................44
Power .......................................................................................................44
COMPUTER PORT ............................................................................................45
PANEL LABELS.................................................................................................47
CLOCK OPTION ................................................................................................47
SOFTWARE UPDATES .....................................................................................48
Changing Options/Upgrading Current Software .....................................48
AUXILIARY PANEL INSTALLATION
OVERVIEW ........................................................................................................51
OPTION SELECTION ........................................................................................51
CONNECTING TO THE ENCODER .................................................................51
CONNECTING POWER .....................................................................................52
PANEL LABELS.................................................................................................53
TROUBLESHOOTING
POWER-ON SELF-TEST ...................................................................................55
CONTINUOUS SELF-TEST ..............................................................................57
INSTANT CALL KEY TEST .............................................................................59
ENCODER FAULT IDENTIFICATION ............................................................59
INSTANT CALL FAULT IDENTIFICATION ..................................................62