Topcon BM-7AC - Page 29

2. Measurement Operation
27
Calibration ERROR
Displayed when the calibration cannot be completed. Check that the cap is
attached to the eyepiece and the measurement condition is in operating
conditions.
If an error is still displayed even after retrying, repair may be required.
Contact the dealer or TOPCON TECHNOHOUSE office.
RS232C ERROR
Displayed when the communication with PC is failed. Check the connection of
RS-232C or USB cable and communication condition.
Connection ☞
「1.3.2 Connecting a PC」
Communication Conditions ☞
「3.9 RS-232C Parameters」
☞
「3.12 Communication Format」
USB ERROR
Shutter ERROR
Displayed when there is an internal shutter error. The shutter may be
broken, so contact the dealer or TOPCON TECHNOHOUSE office.