Kenwood TK-2170 Two-Way Radio User Manual


 
40
TRANSCEIVER BACKLIGHT
To turn the transceiver display backlight on, press the key
programmed as Lamp.
Pressing any key other than the PTT switch and the Power
switch/ Volume control while the backlight is on will reset the
lamp timer, allowing the backlight to remain lit for an additional
5 seconds.
To turn the display backlight off immediately, press the Lamp
key while the backlight is on.