Tandy 1400LT - Index Phase

11. Time Margin (Window Margin)
output
signal
(TSI. 2)
1. The following waveform can be obtained on Track 02.
.r
100-900 usec
Figure D-2. Index Phase
~
1. Move the heads to Track 01.
2. Move the heads by one step towards outer track. The following
timing can be obtained.
Track 01
pu I se
Track
00
sensor
5.8msec max.
(6ms model)
1. Azimuth of heads can be obtained on Track 02, (TS1,2)
Refer to the specifications of the Standard Disk.
Azimuth should be within
3130'.
1. Time Margin can be obtained with FTS-1. Time Margin on Track
79 (side 1/0) should be more than 0.6psec.
D-5