This is described on page 84 of the PRO-97/2055 owner's manual
That page is titled "Initializing the Scanner"
You can download the manual in pdf format at this link
http://www.scancat.com/OnLineHelp/OEM_Radio_Owners_Manuals/PRO-97_OwnersManual_ome20-527.pdf
Initializing the Scanner If the scanner’s display locks up or does not work properly after you connect a power source or install batteries, you might need to initialize it.
Caution: This procedure clears the scanner’s memory. Initialize the scanner only after trying all other methods to correct issues.
To initialize the scanner:
1. Turn off the scanner, then turn it on again. “Multi-system Trunking Scanner” appears.
2. While “Multi-system Trunking Scanner” appears, press 0.
3. Press 1. 4. Press ENT. “Initializing please stand by” appears for about 5 seconds.
When the initialization is complete, M000 appears on the second line of the display. Bank 0 Ch 00 appears.
Do not turn off the scanner until the initialization is complete. Service and Repair If your scanner is not performing as it should,
Best regards
Jim Springer
____________________________
Computer Aided Technologies
- http://www.scancat.com -
Order Toll Free or Order On Line
(USA Orders Only ) 1-888-722-6228
(NON USA Orders ) 1-318-687-4444
(Tech Support ) 1-318-687-2555
( Fax Line ) 1-318-686-0449