Monroe Electronics Charge Plate - Analyzer - model 300 - Manual (Page 20)

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APPENDIX II
CPA300 USB Driver Installation on Windows XP
1) Install the CPA300 pc software on to the PC. You may need to log onto the PC as
Administrator to install the software and the USB driver.
2) Turn on the Model 300. The display shows: [CPA 300], [V1.03 1.02] then the prompt:
[ -.-].
If all these are shown, then go on to Step 3.
If it shows [CPA 300], [COMM ERR], [V1.03 ???], then please check that the
plate cable on the back of the unit is properly connected to the plate assembly.
Power the Model 300 down then up again to see if it is connected. If the problem
persists, report it to Monroe Electronics.
3) Connect the Model 300 to the PC via the USB cable.
4) Run the CPA300 software. It will start searching available comports and list the
CPA300 with the comport if it is found. Selecting the port it will flash green and the
software is ready to communicate with the unit.
If the 300 device is not found, then go on to Windows Start - Control Panel, find the
device, and update the driver:
Figure 1
Control Panel.
It will lead to one of the two views.
Refer to screens below to see which
one apply to you.