Kenwood TK-3173 - Manual (Page 49)

40
T
RANSCEIVER
B
ACKLIGHT
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.