Procedure for VRS750 (R04.01.00) Firmware/Codeplug Upgrade
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Band			Cp Version
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VHF			R01.11
UHF1			R01.10
UHF2			R01.07
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Programming a codeplug:
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1. Read and save the tuning data!
2. Run the codeplug tool and select a proper codeplug.
3. Program the codeplug and set the regionalcode.
4. Run the tuner,set the serial number and load the tuning into the radio.


Flashing the firmware:
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1. Connect the VRS750 to an ASTRO Mobile radio and do not turn the radio on.
2. Attach the programming cable to your VRS750 radio and connect to the RIB 
   through the VRS flash adapter (NTN4056A).
   The VRS flash adapter must be in bootstrap position.
3. Turn the radio on. 
4. Run the firmware tool, select the firmware file and push "flash firmware".
5. Hit "start upgrade".
6. You will now see a status bar indicating the percentage completed.
7. After the VRS750 is reflashed, disconnect the programming cable.

Always program the new codeplug, before you flash the new firmware!



New Features Provided / Changes to CPS
application data changes
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For all Models upgraded by this tool, the following changes apply:

1) VRS 750 programming can be performed when the 
programming cable is attached at power-up and a 
"VRS  001" error message is displayed.

2) Repaired an SB9600 communication bug with the 
ASTRO Spectra Plus Mobile.
