Voice Compression CMP
Voice compression can increase the average TX power output during phone
communica�on so that communica�ons are possible under poor condi�ons.
1. Press the [CMP] bu�on at the bo�om of the screen in momentarily and the
voice compression indicator (a microphone) will appear at the top of the
screen.
2. Press the [CMP] bu�on at the bo�om of the screen again to disable voice
compression.
Use voice compression only when you need it, as all compression degrades
transmitted audio quality slightly. When conditions are good, leave it off.
CW (Morse Code) Communica�on
You may use a CW key or an external keying unit. Insert the connector into the
KEY port on the rear of the radio. (See Page 04 for the defini�on of the required
plug wiring)
1. Insert CW Key/Keyer into the KEY socket on the rear of the main unit;
2. Press the [MODE] bu�on to switch to CW (or CWR) mode;
3. Enable the QSK func�on by pressing the [KEY] bu�on un�l the func�on
appears, also set the appropriate QSK �me;
4. The radio will key into transmit when the key is pressed.
2.
Repeated momentary presses of the [NB] bu�on will select the different NB
func�on se�ng op�ons. Rotate the main tuning knob to set these values.
The NB func�on menu includes the following op�ons:
NBSW: NB opera�on switch ON/OFF. Default is OFF
NB Level: se�ng of NB suppression level.
NB Width: se�ng of NB suppression width
Adjust the Level and Width while listening to the noise you want to suppress
for best effect.
Improper se�ngs of the NB parameters will severely degrade recep�on.
Do not turn the NB on unless you need to suppress pulse noise.
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