E F Johnson Company 2425M80 Benutzerhandbuch

Draft 02 - Sep 1 2015

2-4

Zone Number - Indicates the currently selected zone from 1 up to 255, depending on the 
options installed. A zone is a collection of channels that can be any combination of the 
conventional, P25 Trunked, and SMARTNET/SmartZone types.

Status Display - Two characters indicate various status information. See Table 2.1.

Channel Number - Indicates the currently selected channel (conventional) or talkgroup 
(other modes). The lines above the zone and channel displays indicate which display is 
changed if the Select switch is turned. To switch between displays, press the Select switch.

Table 2.2 lists the symbols used on the display to indicate various operating modes and 
status.

Table 2.1 Standard Control Head Display Symbols

Unit (or Private) call mode active

Busy (displayed when radio enters a busy transmit state)

Monitor mode enabled

Interconnect mode enabled

Security enabled

• Keypad programming/edit mode - displayed when the radio is in a mode where 

the user can edit radio parameters.

• P25 data context enabled - radio is ready for data operations or call history 

(only when radio is in conventional unit call, call alert or text messaging and an 

applicable unit ID is selected.)

• P25 data channel grant (radio is operating on a data channel) or text message 

mode active.

Scan enabled

The current channel is the priority channel in the enabled scan list (only when scan is on or 

when in scan edit mode; located in left position)

The current channel is the priority 2 channel in the enabled scan list (only when scan is on 

or when in scan edit mode; located in left position)