Trunking Mode Operation; Talk Group Selection; System Selection; Transmit - Uniden SMU250KTS User Manual

Trunking Mode Operation

Talk Group Selection

1. Up/Down Select- Press the Up/Down key ( A or v ) to display the
desired talk group. An up-select or down-select tone sounds with
each change. If you press and hold either key, the radio changes
talk groups rapidly.
(If programmed with a "stop", talk group changes will stop when
the highest or lowest talk group number has been reached.)
2. A/B/C Key Selection - Either or all three of the A, B and C keys
may be programmed for instant selection of a pre-programmed talk
group. Press the programmed key to instantly select the
programmed talk group.

System Selection

The A/B/C keys may also be programmed as System Select keys, Up
or Down. If so, pressing the key will select the first talk group on the
next higher or lower system. The desired talk group in the new system
can then be selected using the Up/Down Select key as described
above. (Check with your service provider to confirm exact key
programming.)

Transmit

1. Select the desired talk group as indicated above.
2. Press the microphone PTT key. Keep the PTT button depressed
while you transmit your message. Notice that the TX indicator
flashes at least twice while the radio "handshakes" with the
repeater system. Delay speaking until the TX indication is steady.
If the Connect Tone is programmed, just wait for it to sound, then
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TAC mode may be accessed from the MENU operation. In either case,
the current TAC mode is indicated in the LCD display as TAC OFF or
TAC ON during the selection process and can be cycled to the
opposite mode by pressing the Up- or Down-select key (if accessed by
the MENU key) or the A/B/C key. When active, TAC mode is
continuously indicated by the LCD TAC icon.
Call Function
Each talk group may be programmed to flash the MSG icon if a call is
received when that group is selected. Also, up to two talk groups may
be programmed to display the MSG icon continuously if they are
called while selected or while scanned. The MSG icon is turned off by
pressing any key.
Call Alert Function
The unit may be programmed to sound an alert associated with the
Call function described above. An alert tone sequence will sound from
the radio speaker and also from the horn (if the Horn Alert option is
installed).
To activate the Call Alert feature:
1. Press the A/B/C key programmed for that function. OPT ON will
appear on the main LCD display for 2 seconds, then be replaced by
the selected talk-group. The OPT indicator above the LCD will
illuminate. Or, press the MENU key until the OPT OFF display
appears. Press the UP/DOWN key to change the display to OPT
ON, then press the MENU key to exit the menu function.
2. When a call is received on the selected group, a thirty second
sequence of three beeps will sound from the speaker and the horn
(if connected). After the thirty second period, the tone sequence
will stop, but the MSG icon will continue to be displayed until it is
turned off.
3. To disable the alert tones and turn off the OPT function, press the
microphone PTT or any front panel key.
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