User's Guide

SRP9100 RADIO P25 – OPERATING INSTRUCTIONS
If “DELETE” is selected, pressing “OK” removes the selected call record (being viewed) from
the list. The radio returns to the Stored Calls Screen with the next record being displayed.
If “CANCEL” is selected, the Stored Calls screen is displayed.
If “CALL” is selected, pressing “OK” sets the radio to individual calling mode with the ID of
the stored call. A subsequent PTT within the configured time interval will send an individual
call to the ID of the stored call.
5.1.8 Transmitting
To avoid interfering with other users of the channel, listen first, or check that the “speaker”
icon is not present, to ensure no transmissions are occurring.
If the speaker icon is shown, there are transmissions present on the channel and the user
should not transmit. The radio may be programmed to prevent transmission on a busy
channel if required.
Hold the portable approximately10 centimetres from the mouth, press the “Press to talk”
(PTT) switch and note that the TX-LED is RED. Wait for the grant tone, and then speak
clearly across the face of the microphone in a normal conversational manner.
In most systems it is important to wait a short time between pressing PTT and commencing
to speak. This ensures that the path is properly established and avoids lost or distorted
speech.
Use the correct operating procedure and keep transmissions short.
Release the PTT switch as soon as the message is finished.
The talk group for a transmission is usually associated with a channel selection. A talk group
will address all others that have the same TGID selected.
While on a P25 Channel, the transmission will be P25 digital. For an Analogue channel, the
transmission will be Analogue FM
Note: A Transmit Limit Timer may be setup that limits a continuous transmission on a
channel. The last 10 seconds before the timer expires may be accompanied by warning
beeps.
5.1.9 Scan/Vote Functions
The Scan/Vote Function allows the sequential searching of up to 16 channels if the selected
zone channel is programmed as a Scan channel, and 15 channels if the selected zone
channel is programmed as a Vote channel, for a valid signal (Carrier + CTCSS / DCS tone
for Analogue FM or Network Access Code for P25). When found, the radio will stop on that
channel until the signal disappears again.
© TMC Radio 2007 Page 45 TNM-U-E-0073 1.1b