HYT TC-780M Manual page 50

On
"4D Safety Check"
Press / to toggle the feature On/Off.
to save the setting and return to "4D Safety Check"
Press
-or-
C
to return to "4D Safety Check" without saving the setting.
4D Safety Check
On
5. Alert Tone Volume
(1) In TMO mode, press
to select your desired menu (e.g. "Alert Tone Volume").
(2) Press /
to enter "Alert Tone Volume".
(3) Press
5 Alert Tone Volume
(4) Press / to select a desired level (Off, 1~5).
to save the setting and return to "Alert Tone Volume"
Press
-or-
C
to return to "Alert Tone Volume" without saving the setting.
1~5
Off
Off
Off
in standby mode to enter the main menu, or
C
to exit.
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