User's Manual

20-523 Owner’s Manual
Page 28
Turn on the channel attenuator then “A” is indicated at the 7th digit in the top line.
When turn it off the indication is changed to “.”.
Attenuator is not able to set while Scanning.
Press FUNC then ATT to set the attenuator to the global unit. When set global attenuator “Global ATT.” is
indicated for 2 seconds at the bottom line and “a” or “-“ is indicated instead of “A” channel attenuator
indication. To press ATT key to turn on or off the global attenuator.
“”ATTon” or “ATT-“ is indicated at the bottom line while scan.
Press FUNC then ATT while global attenuator to change it to normal and “Normal ATT.” is indicated at the
bottom line for 2 seconds.
Note: If you turn on this feature, the scanner might not receive weak signals.
USING THE DISPLAY BACKLIGHT
You can turn on the display’s backlight for easy viewing in dimly lit areas. Press LIT to turn on the display light
for 5 seconds. To turn off the light before it automatically turns off, press LIT again.
Press LIT for more that 1 second the backlight is continually turn on. Press LIT while turn on the light to turn off it.
You can select turn on time. Press FUNC then 8 in manual mode. Press up or down key to select 3, 5, 10 or 20
seconds period and press ENTER.
TURNING THE KEY TONE ON AND OFF
Each time you press any of the scanner’s keys, the scanner sounds a tone. Follow these steps to turn the
scanner’s key tone off or on.
1. If the scanner is on, turn VOLUME OFF/MAX counterclockwise until it clicks to turn the scanner off.
2. Turn VOLUME OFF/MAX clockwise to turn the scanner on. Welcome To Dual Trunking appears.
3. While Welcome To Dual Trunking appears, press 1 to turn on the key tone or 2 to turn it off.
USING THE KEYLOCK
Once you program your scanner, you can protect it from accidental program changes by turning on the key
lock feature. When the keypad is locked, the only controls that operate are FUNC, (Light
Symbol)/(KeySymbol), SQUELCH, and VOLUME.
Note: You cannot activate the key lock when in the middle of programming.
To turn on the key lock, press FUNC then (Light Symbol)/(KeySymbol) Key locked. appears for about 1
second. Key locked. appears when you press any key after locking the keypad.
To turn off the key lock, press FUNC then (Light Symbol)/(KeySymbol). The scanner beeps once and Key