WP-2641M-CE7 (WinCE7 Based) User Manual v 1.0.1 Page: 127
Step 8: Turn the rotary switch in position 0, normal mode
Step 9: Reboot the WP-2641M-CE7
Step 10: Check the OS version
Start the PAC Utility, and then select the “Device Information” tab to check the current OS
version.