Panasonic PV-DF2700-K Service Manual page 110

Note:
A. Be sure that the three probes of the meter are all in solid contact with the
tape, but not touching any other parts of the mechanism.
B. It is recommended that measurements should be repeated at least three (3)
times because the tension meter is very sensitive to external vibrations.
7.2.2.2. MR HEAD GAP ADJUSTMENT
Purpose:
To properly pick up the FG Signal.
Symptom of Misadjustment:
If the FG Signal is not properly picked up, Servo Operation cannot be achieved.
Equipment Required:
Oscilloscope
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