Telephone Operation; Receive; Scan Operation - Uniden SMU250KTS User Manual

Queuing and Tones
• Busy System Queuing - when programmed for queuing and
the system is busy when you try to transmit, the radio will
automatically enter the queueing mode, indicated by the BUSY
indicator and a high-pitched triple beep. When queued, the
radio will monitor the busy system and try every 5 seconds to
capture a channel when it becomes available, indicated by a
high-pitched double beep sounding every 10 seconds. If the 60
second queuing period elapses without successful system
access, a I second low tone sounds and the queuing mode is
discontinued. If a channel does become available during the
queuing period, it is held for 10 seconds, indicated by a single
high tone sounding every second. Pressing PTT during the 10
second period will initiate normal operation on the selected talk
group. If the PTT is not pressed during this period, the channel
is released and the queuing mode is exited.
• Busy Tone - if the repeater is in range but busy, you will hear a
series of busy tones similar to a telephone busy signal. Release
the PTT and try again in a few minutes.
• Intercept (Out of Range) Tone - If the radio fails to
"handshake" with the repeater after 4 attempts, the intercept
tone sounds continuously until PTT is released.
• Connect Tone - when programmed for connect tone operation
and the radio has successfully accessed the system, a single
quick beep alerts you to begin talking.
TAC Operation
To allow direct radio-radio communications in circumstances
where both units may not be able to access the repeater, the Talk
Around Channel (TAC) mode may be activated. Talk Around
channels may be pre-programmed and selected as any other
talk group, indicated by the TAC LCD indicator. Also, one of the
A/B/C quick keys may be programmed for that purpose or the
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begin talking. If transmission is difficult, try to find a higher
location with fewer obstructions between you and the repeater site.
Release the PTT key when your message is finished.
3. For best voice quality when transmitting, hold the microphone
about one inch from your mouth.

Telephone Operation

1. Select a talk group allowing telephone access, indicated by the
TEL symbol at the top of the display.
2. Press the PTT to access the system, then release to gain dial tone.
3. Transmit the number manually entered (requires a DTMF
microphone) or recalled as described under Phone Book.
4. If someone answers, key the transmitter to talk and release to
listen.
5. When transmission is complete, "hang up" the connection by
pressing the # button on the keypad or the M/EXIT button, or by
placing the microphone in its holder.

Receive

Select the talk group you want to receive as indicated above. Scan
operation may be activated as described below to automatically
monitor a number of talk groups.

Scan Operation

In the scan mode, the radio monitors each talk group in the selected
system or all systems until it receives a call. You can scan all talk
groups/systems, or you can lock out individual talk groups/systems
from being scanned.
1. Scan operation may be activated through the MENU operation or
one of the A/B/C keys may be programmed for that purpose.
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