Panasonic JB-3300 Technical Manual page 387

Note: This routine is used to check the operation of the read/write head as
it writes to a diskette.
Track QO Signal Calibration
The purpose of this routine is to measure the TRACK OO output signal. To run
it, enter "2" from the maintenance menu. The following display will appear:
2. TRACK OO SIGNAL CALIBRATION
Insert alignment diskette in drive x:
Press any key when ready (or press ESC key to return to the
maintenance menu)
If you wish to abort the routine and return to the maintenance menu, press
the Escape key. Otherwise, insert the alignment diskette in the drive indi-
cated, and press any key. The screen will display:
HEAD continues to seek TRACK OO and TRACK OL
Check TRACK OO signal
Press any: key to return to the maintenance menu
The read/write head performs continuous SEEK operations on TRACK OO and TRACK
Ol.
Press any key to stop the routine and return to the maintenance menu.
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