Ste (Tail Tone Elimination); W/N (Wide/Narrow Band Selection); Save (Battery Saver) - Baofeng UV-3R Mark II Reference

3) Clockwise or counterclockwise rotation of [ DIAL ] knob to
select the repeater shifts: 0/-/+.
4) Press the [ U/V ] key to save the setting.
5) Press [ MENU/LOCK ] or [ PTT ] to EXIT to normal
operation.

STE (Tail Tone Elimination)

To eliminate the annoying audio caused by carrier wave
disappearing after the transmitter ends the communication. you
should enable the Tail Tone Elimination. On the contrary, if you
want communication via the repeater, you should disable the
Tail Tone Elimination.
1) Press [ MENU/LOCK ] then rotate the [ DIAL ] knob to
MENU [12], STE.
2) Press the [ U/V ] key to enter the set mode.
3) Clockwise or counterclockwise rotation of [ DIAL ] knob to
select the STE: ON/OFF.
4) Press the [ U/V ] key to save the setting.
5) Press [ MENU/LOCK ] or [ PTT ] , EXIT to normal
operation.

W/N (Wide/Narrow Band Selection)

1) Press [ MENU/LOCK ] then rotate the [ DIAL ] knob to
MENU [13], W/N
2) Press the [ U/V ] key to enter the set mode.
3) Clockwise or counterclockwise rotation of [ DIAL ] knob to
select the WIDE/NARROW.
4) Press the [ U/V ] key to save the setting.
5) Press [ MENU/LOCK ] or [ PTT ] to EXIT to normal
operation.

SAVE (Battery Saver)

The UV-3R includes a useful Transmit Battery Saver, which
will automatically lower the power output level when the last
signal received was very strong. For example, when you are in
Baofeng UV-3R Mark II Reference 9