User's Manual

Service Calling System User Manual----English Version
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¾ WD1X watch type display:
 -F4: Check Version and Date
Enter F4, and then LCD will display the software version and current date.
Press cancel key [C] to exit.
 -F5 : Check device number
Enter F5, and then LCD will display the number of the display device.
Press cancel key [C] to exit.
9 0 0 0
2 2 5 9
2. Open the cover, pull and plug the
battery connection cables. Then
reassemble the receiver in reverse order.
1. Use screwdriver to
unscrew the four screws.