Epson Trume TR-MB7 User Manual page 90

MB73 (TR-MB7) User's Guide
E
While maintaining the status in step 4, press and release the C button again
When the second point has been calibrated, the small second hand points to + (success).
Note:
If the small second hand points to - (failure), make sure there are no magnetic products or strong magnetic fields
nearby.
Next, press and release the C button, and then repeat from step 3.
If the small second hand continues to point to - (failure) even after calibrating several times, contact TRUME customer
support.
"Contact Information" on page 152
U
F
Push the crown back in to lock it
The small second hand returns to the current second display.
Compass Measurements (COM)
0
90