53SL ES Series Mobile Radio Operating Manual April 2009
7-3
Standard Group Calls
Section 7 - SMARTNET / SmartZone / P25 Trunked Features
- If the busy tone sounds and “BUSY” is displayed, the system is busy. Release the
PTT switch and wait for the call back tone to sound. Then press the PTT switch
within three seconds.
- If a continuous tone sounds and “OUT OF RANGE” is displayed, you may be out-of-
range. Drive closer or away from shielding objects and try again.
- If your unit ID is invalid, the call is being made to an invalid group ID, or group calls
are not enabled, “DISABLED ID” is displayed and an alert tone sounds.
- If an attempt is made to change an analog channel from the clear to the secure mode
and there is no available secure channel, “NO SEC” is flashed, an error tone sounds,
and the call is terminated.
- If an attempt is made to change an analog channel from the secure to clear mode,
“SECR ONLY” is displayed, an error tone sounds, and the call is terminated. (Calls
on digital channels can be changed if they are not strapped to clear or secure).
- If the Secure mode is selected by the C/S (Clear/Secure) option switch or menu
parameter and an attempt is made to transmit on a channel strapped as Clear,
“CLEAR ONLY” is displayed and the transmitter is disabled. Likewise, if the Clear
mode is selected and the channel is strapped as secure, “SECR ONLY” is displayed
and the transmitter is disabled.
7.3.2
Receiving a Standard Group Call
Calls are received on only the talkgroup and/or announcement group programmed for the
selected channel (with scanning disabled). When the selected channel is programmed with
both Talk and Announcement groups, only the Talk and Announcement group IDs are
detected. Other IDs in the Announcement group are detected only if no talkgroup is
programmed.
When a group call is received, the alias of the selected channel is displayed. The radio can
be programmed so that the following are also displayed for 0.5-7.0 seconds or
continuously during the call.
PTT ID-
The unit ID of the mobile placing the call is displayed.
TG on Rx -
The alias of the talkgroup on which the call is being received is displayed.
(typically for use by technicians)
User Group ID -
If the group ID of the call being received is included in a
preprogrammed User Group ID list, the alias programmed in that list for that group is
displayed.
Received Key ID
- The Key ID (or the alias, if programmed) of the key used to decode
the call is displayed.