Radio Shack PRO-91 Scanner User Manual


 
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quires that scanners be manufactured in such a way as
to not be easily modifiable to pick up those transmis-
sions. Do not open your scanner's case to make any
modifications that could allow it to pick up transmis-
sions that it is not legal to listen to. Doing so could sub-
ject you to legal penalties.
We encourage responsible, legal scanner use.
CONTENTS
Preparation ............................................................ 10
Power Sources ................................................. 10
Using Internal Batteries ............................ 10
Charging Nickel-Cadmium Batteries ......... 12
Using AC Power ....................................... 13
Using Vehicle Battery Power .................... 14
Connecting the Antenna .................................. 16
Connecting an Optional Antenna .............. 16
Connecting an Earphone/Headphones ............ 17
Listening Safely ........................................ 17
Traffic Safety ............................................. 17
Connecting an Extension Speaker ................... 18
Attaching the Belt Clip ...................................... 18
About Your Scanner .............................................. 19
A Look at the Keypad ....................................... 20
A Look at the Display ....................................... 21
Understanding Banks ....................................... 23
Service Banks ........................................... 23
Channel Storage Banks ............................ 23
Monitor Memories ..................................... 24
Operation ............................................................... 25
Turning On the Scanner/Setting Squelch ......... 25
Storing Known Frequencies into Channels ...... 26
Searching For and Temporarily Storing
Active Frequencies ........................................... 27
Limit Search .............................................. 27
Direct Search ............................................ 28
Service Bank Search ................................ 29
Search Skip Memory ................................ 30
Listening to the Monitor Memories ................... 31
Moving a Frequency From a Monitor Memory
to a Channel ..................................................... 31
Scanning the Stored Channels ........................ 32
Manually Selecting a Channel ......................... 32
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