Installation NOTES:

ATTENTION: Use this driver only when the standard driver is incompatible
with your PTC model. 

Installation NOTES FOR MS-WINDOWS 7 with older PTC versions:

1. Uninstall any other version of the PTC USBXpress driver:
- All driver files must be removed from the computer drive
- The main library file SiUSBXp.DLL must be removed (it is
  usually located in the application directory for the PTC)

2. Install the PTC USBXpress driver for MS Windows 7 and older versions:
- Copy the SiUSBXp.DLL file (ver. 3.1.0.0, size 88KB) to the application
	directory for the PTC (where the main program PTC-04xx is located)
- Go to Drivers folder
- Left click on the USBXpressInstaller.exe program to highlight it
- Right click on the USBXpressInstaller.exe and select the "Properties"
- Select the "Compatibility" option
- Select the Compatibility Mode : Windows XP 
- Run the USBXpressInstaller.exe program for 32/64 bit computers

3. Optional - ONLY for micrometers that use USB GaugeWay Interface Device for 
       	     continuous reading: 
- run the MitutoyoUSBGaugeWay.exe program

4. Optional: Scale (Mass Balance) Serial-to-USB adapter:
- just plug in the cable - typically the driver installs automatically 
- if needed, select the Install option on the adapter-specific installation CD

NOTE: PC Administrator access is required !
