User's Manual

20-466 Owner’s Manual
Page 26
There are two function of attenuator in your PRO-93.
One is normal attenuator set to each the channel and each band in the Search and Tune mode. The other
is set attenuator global unit.
Press ATT to turn on or off the channel attenuator while channel number is indicated.
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.
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.
CHANGING THE DISPLAY CONTRAST
1. Press MANUAL.
2. Press FUNC then 9. Use Up/Down keys to set contrast. appears.
3. Press /¥ or ¥/ to select the contrast.
4. Press ENTER to set the display contrast.
CLONING THE PROGRAMMED DATA FROM SCANNER TO SCANNER
You can transfer the programmed data to and from another RadioShack Cat. No. 20-523 or 20-466
scanner using the clone cable. We recommend RadioShack Cat. No. 42-2487 for the cable. To clone the
data, follow these steps.