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you to communicate with farther radios. Generally, we recommend you to adopt low power for battery
saving.
Operation
Go to “Menu -> Setting -> Radio Set -> Power Level -> High/Low” to toggle the TX power level
between high and low.
Press the programmed
Adjust Power Level
key in the home screen to toggle the power level
between high and low.
Audible alert:
When you switch to high power, a high-pitched tone sounds;
When you switch to low power, a low-pitched tone follows.
Visible alert:
High power is indicated by
and low power is indicated by
.
7.6.3
Squelch Level Adjustment
Description
Squelch Level Adjustment allows you to adjust the squelch threshold required for the radio to be
unmuted.
Generally, the higher squelch level requires stronger signal. If the squelch level is set to “Open” (squelch
level: 0), the speaker will keep unmuted irrespective of the decoding conditions.
Operation
Go to “Menu -> Setting -> Radio Set -> Squelch Level” to select “Open”, “Normal” or “Tight”.
Press the programmed
Adjust Squelch Level
key to switch the level among “Tight”, “Normal” and
“Open”.
When switching from “Tight” to “Open”, a low-pitched tone sounds followed by the background noise;
from “Open” to “Normal”, a high-pitched tone sounds with the background noise fading; from “Normal” to
“Tight”, a high-pitched tone sounds.
7.6.4
Backlight
Description
Backlight allows you to set the backlight on and off. Activating the backlight can illuminate the LCD and
the keypad, so as to facilitate your operation under dim light conditions.
Operation
Go to “Settings -> Radio Set -> Backlight” to enable or disable this feature. There are three options:
Off: The backlight will remain off.
On: The backlight will remain on.