QTech Data Systems Tait TM8000 Radio - Manual (Page 25)

Basic operation 25
Making a call
1 Select the required channel or scan group using the
channel selection keys
or .
2 Check that the channel is clear. If the green LED is glowing,
the channel is busy and you may not be able to transmit.
3 Once the channel is clear (the green LED is off), lift the
microphone off the microphone clip.
4 Hold the microphone about 5cm (2 inches) from
your mouth.
5 Press and hold the PTT key to transmit.
6 Speak clearly into the microphone and release the PTT key
when you have finished talking.
While you are transmitting, the red LED glows.
Transmit timer
Your radio may have a transmit timer that limits the amount
of time you can transmit continuously.
When the transmit timer is about to expire, the red LED
flashes and the radio gives three beeps. You must release the
PTT before you can transmit again.
Note: Your radio may be unable to transmit for a short time
after the transmit timer has expired.