1VOLUME Control - lets you raise or lower the level of the sound.
2Squelch Control - lets you set the signal level required to receive a transmission. If you open the squelch all the way, you will hear hissing between transmissions. This lets you hear weak signals, but prevents scanning. As you close squelch, a stronger signal is required to stop scanning and open audio. You normally set the control to a point just where hissing on all channels stops between transmissions.
3Scan - press to begin scanning the channels or to resume scanning.
4Alarm Select - Set to Off to disable alarm; Set to Radio to enable the radio alarm; Set to Tone to enable the tone alarm.
5Snooze/Backlight - Backlight: Tap to turn the LCD backlight on for 5 seconds. Press and hold to permanently turn on the backlight. Press and hold again to turn off the backlight.
Snooze: Press while the alarm sounds to silence the alarm for 5 minutes.
6Time Set - Use to select your desired operation: Alarm Set; Clock Set; Clock.
7Hold - press to temporarily stop scanning, limit searching, or AIR scanning and remain on the channel. The scanner displays the channel on hold. Press again to resume searching or scanning.
8E/PGM - Press to enter the Program Mode. In Program Mode, enter the desired frequency using the numeric keys. Then press E/PGM to store that frequency into the memory.
In Limit Search Mode, after entering the frequency, press E/PGM to program the upper and lower limit frequency.
90 to 9 - use the numeric keys in three basic operations:
•press a numeric key to enter a frequency.
•press a numeric key to change a channel using the Direct Channel Access feature.
•press a numeric key while scanning to enable or disable the associated scanning bank memory bands.
10Power - Press and hold more than 500ms to turn power on and off. The time displays when power is off (standby mode).
11../Clr - this key has three functions:
•press to input a decimal point when you enter a frequency.
•press to cancel a numeric key input − 0 to 9
•press to clear an error display.
Introduction
10
UBC40CRS OM.indd 0 | 7/5/08 4:8:08 PM |
