Sql (Squelch Adjustment); Light (Lcd Illumination On/Key/Off) - Baofeng UV-3R Mark II Reference

SQL (SQUELCH ADJUSTMENT)

Squelch System allows you to mute the background noise when
no signal being received. The Squelch system also significantly
reduces battery current consumption.
1) Press [ MENU/LOCK ] then rotate the [ DIAL ] knob to
MENU [3], SQL
2) Press the [ U/V ] key to see the current setting level.
3) Clockwise or counterclockwise rotation of [ DIAL ] knob to
adjust between 0/1/2/3/4/5/6/7/8/9. Select the level at which the
background noise is just eliminated when there is no signal.
4) Press the [ U/V ] key to save the setting.
5) Press [ MENU/LOCK ] or [ PTT ] to EXIT to normal
operation.

LIGHT (LCD ILLUMINATION ON/KEY/OFF)

UV-3R includes a reddish illumination lamp which aids in
nighttime operation. The red illumination yields clear viewing
of the display in a dark environment, with minimal degradation
of your night vision. Three options for activating the lamp are
provided:
Key: Illuminates the LCD when any key pressed.
ON: Illuminates the LCD continuously.
OFF: Disables the LCD lamp.
Here is the procedure for setting up the Lamp mode:
1) Press [ MENU/LOCK ] then rotate the [ DIAL ] knob to
MENU [4], LIGHT.
2) Press the [ U/V ] key to enter the set mode.
3) Clockwise or counterclockwise rotation of the [ DIAL ] knob
to set ON/OFF/Key.
4) Press the [ U/V ] key to save the setting.
5) Press [ MENU/LOCK ] or [ PTT ] , EXIT to normal
operation.
Baofeng UV-3R Mark II Reference 5