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Wired programming specifications, Using on-air programming – Radio Shack PRO-89 User Manual

Page 50

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4. When the scanner successfully receives all data,

End

and

FiniSh

appear. If the scanner received an error while

receiving data,

End

and

d-Err

appear. If the scanner

received a checksum error while receiving data,

C-Err

and a number appear. The number shown next to

C-Err

indicates the packet number where the error occurred.

Note: If the scanner did not receive an end bit from the
PC,

End

does not appear.

Wired Programming Specifications

Interface .................................................................... RS-232C
Data Format ...................................................... Asynchronous
Data Length ...................................................................... 8-bit
Parity ............................................................................... None
Stop Bit ............................................................................. 2-bit
Baud Rate ................................................................. 4800 bps
Data Transmission Direction ............ One Way (Receive Only)
Flow Control ........................... None (2 Lines, RXD and GND)

USING ON-AIR PROGRAMMING

1. Turn off the scanner.

2. While pressing

ENT

and

8

, turn on the scanner.

On

Air

and

PGM

appear and the scanner automatically receives

154.600 MHz in FM mode. Then

On

Air

and the fre-

quency alternate.

3. Send the data from the PC.

StArt

and the data being

received by the scanner appears in the order it is received.

Note: If the scanner did not receive a start bit from the PC,

StArt

does not appear.

4. If you do not want to use 154.600 MHz to receive program-

ming, press

PGM

.

PGM

flashes. Then use the number keys

to enter the frequency you want to receive and press

ENT

.

To change the frequency back to the default (154.600
MHz), hold down

ENT

then press

CL

.

Note: You cannot use an AM frequency during on-air pro-
gramming. Do not enter a frequency between 108.000 and
136.9875 MHz in Step 4.