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4-3. TRANSMITTER OPERATION
4-3-1.
Transmission
CAUTIONS
1. Ensure that an antenna with a low standing wave
ratio (less than 1.5 SWR) is attached to the
antenna connector before attempting to transmit.
Failure to provide proper termination may result
in damage to the final amplifier section.
2. High-power and extended transmission increases
the unit temperature.
NOTE
1. Always check to ensure the frequency is clear
before transmitting.
wr
. Press the BAND SEL key for the desired
transmission band. The PTT indicator will light for
the corresponding band. Bands in which the PTT
indicator are not lit are used for reception only.
(Example:
440 MHz band)
. Select the desired operating frequency .
. Press the PTT switch. The ON AIR indicator will
light, and the RF meter will light.
4. Speak into the microphone. The recommended
distance to the microphone is 5 cm (2 inches).
NOTE
Talking closer may result in over deviation of your
transmit signal, which might be reported as a loss
of clarity or an excessively wide transmit signal.
Talking too far away may result in reports of weak
audio.
5. Release the PTT switch to return to the receive mode.
The ON AIR indicator should go out, and the RF
meter will return to zero.
Simultaneous reception on the other bands is possible
during transmit.
NOTE
Some combination of transmit and receive frequencies
might cause a reduction in receiver sensitivity.
4-3-2.
TX. Alert
Different beeps can be heard for each band by pressing
the PTT switch. These signal which band you are
transmitting on.
Press the PTT switch while pressing the F key.
The TX alert function is then turned on or off.
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