Alinco DJ-S17 - Manual (Page 36)

5.Useful Functions
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Press the FUNC key, and while is displayed on the LCD, press the MONI key to
illuminate the display and keypad.
• The backlight automatically switches off if there is no key operation for 5 seconds.
• Pressing any key other than the LAMP key extends the LAMP function for another 5
seconds.
• Turning on the power while pressing the MONI key illuminates the backlight
permanently. Repeat the same to turn it off.
• When the lamp is set for the "permanent-on" position, pressing the FUNC key then
the MONI key to turn on/off the backlight.
NOTE:
The LAMP function consumes battery. The "permanent-on" position is
recommended only for the operation using an external power source.
Lamp 5.7