Kenwood TK-780 Service Manual Supplement

Also see for TK-780 series: Programming instructions Instruction manual Service manual Instruction manual Service manual

6TK-780/H2-3. Front Panel Displays and Indicators1 Sub displayDisplays the system, channel and group numbers. Alsodisplays various functions, such as TA.2 P (Priority) indicatorThe P indicator ( ) appears when a selected channel isprogrammed as priority, in conventional operation.3 MON (Monitor) indicatorThe MON indicator appears when the button pro-grammed as MONITOR is pressed.4 SVC (Service) indictorThis icon is not used this transceiver.5 SCN (Scan) indicatorThe SCN indicator appears when using scan mode.6 AUX (Auxiliary) indicatorappears when the auxiliary function is activated (ON) bypressing the AUX-A key.OPERATING FEATURES7 Handset indicatorThe handset indicator ( ) appears when the selectedgroup is programmed as telephone IDs (Trunking format).In conventional format, the handset indicator ( ) appearswhen the OST tone pair is selected.8 MAIL indicatorFlashes when a status message (FleetSync™) is re-ceived. Lights when a status message is stored in the stackmemory.9 Alphanumeric displayThe twelve-character dot matrix alphanumeric displayshows the system/group numbers. You can program sys-tem/group names with up to ten characters in place of thesenumbers. The left display is used as a delete indicator ( )and the right is used for the selective call ( *) or scrambler(_) function. The delete indicator shows the systemslocked out of the scanning sequence. Selective call andscrambler are optional functions that can be programmed.Dispalys received messages when using FleetSync™.10 A,B,C,D keyThese keys are programmable function (PF) keys.MODULARMIC JACKMONITOR SCANPOWERBUSY/TX LEDVOLUMEUPVOLUMEDOWNSYSTEM UP(Trunking Format)GROUP UP(Conventional Format)SYSTEM DOWN(Trunking Format)GROUP DOWN(Conventional Format)1 2 310 94 5 6 7 83. Scan Operating3-1. Trunking Format System scanSystem scan can be selected with the “Scan” key by pro-gramming the scan feature. When the “Scan” key ispressed and the “SCN” mark appears, scan mode in en-tered. Scanning starts from the system following the cur-rently displayed system. When a call is received, scanningstops, and the system and group are displayed.When programming key is touched during scanning, thescan stops and the revert system or group can be changed.Scanning resumes one second after the key is released.There are two types of system scan.• Fix system scanAll the set systems except locked-out ones are scanned.If the Del/Add feature is assigned to the programmable key,it can be controlled from the front panel.• List type system scanA scan list can be set for each system.The list to be scanned can be changed by changing thedisplay system.If many systems have been set, the scan speed can beincreased by narrowing the systems to be scanned withscan lists.Fig. 1