CRT Space-U - Adjusting Volume and Mode Switching; Adjusting Frequency;Channel and Receiving

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2.5K, 5K, 6.25K, 10K, 12.5K, 20K, 25K, 30K and 50K total nine
step size available for this radio.
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If the transceiver has set at higher squelch level, it may fail to
hear the calling.
6.03 Adjusting the Volume
When the transceiver in power on, turn VOL knob, the LCD display
VOL-XX, XX means volume level, can increase or decrease the
volume, turn clockwise VOL knob can increase the volume, turn
anticlockwise VOL knob to decrease volume. When set the volume as
1st level, then the transceiver in mute status.
6.04 Switch Between VFO /Channel Mode
In standby, press V/M until LCD appears M. this indicates the radio
is in channel mode. Repeate above operation to switch between
frequency mode(VFO) and channel mode.
6.05 Adjusting Frequency/Channel
1. In frequency mode, Short press [UP] or [DN] key to increase or
decrease frequency. Hold [UP] or [DN] to fast increase or decrease
frequency. Short press [VOL], the MHz will flash, hold [UP] or
[DN] key will change the frequency move by 1 MHz. Press [VOL]
key again, the MHZ will ash, hold [UP]/[DN] key will change the
frequency move by 10MHZ, press any key exit this mode.
6.06 Receiving
When the channel you are operating being called, the screen shows
BUSY icon and eld strength. The green RX indicator light on, in this
way you can hear the calling.
2. In channel mode, short press [UP] or [DN] key to increase or
reduce channel by one step. Hold [UP] or [DN] key to fast increase
or reduce channel.
(only for amateur version)