Quanzhou 9900 Operation Instructions Manual page 11

Vehicle-mounted walkie talkie
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receiving by right band. Turn it clockwise to the extent that the noise just disappears (the
on the screen disappears) so as to improve the sensitivity of weak signal.
⑦ Right tuning knob (DIAL)
Rotate this knob to select the right band operation frequency or memory channel, change
the scanning direction and select functional menu and parameters.
Press this knob shortly to switch the right band as the main band.
If the right band is set as the main band, press this knob shortly will enter the first level and
second level of the setting status of functional menu.
In the functional menu setting status, press this knob shortly to confirm the setting.
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