HP OMNIBER 718 HP 37718A User Manual
Page 69
59
Selecting Test Features
Adding Pointer Adjustments
N OT E
For SPE pointers the sequence interval is selectable from 7.5 ms, 10, 20,
30, 34 ms; 40 to 100 ms in 10 ms steps, 100 to 1000 ms in 100 ms steps
1, 2, 5, 10 seconds.
For VT pointers the sequence interval is selectable from: 200 ms, 500 ms,
1, 2, 5 and 10 seconds.
For SPE pointers the minimum spacing between adjustments is 500 us.
For VT pointers the minimum spacing between adjustments is 2 ms.
GR-253 5-32(c)
PERIODIC ADD (26-1
Pattern)
This selection is only available if you have selected VT1.5 mapping.
The sequence pattern is 26 pointer movements followed by 1
missing pointer movement. The added adjustment occurs 2 ms after
the 13th pointer adjustment. Pointer polarity is selectable and the
time interval between pointer adjustments programmable to 200
ms, 500 ms, 1 s, 2 s, 5 s or 10 s. Added adjustments occur every 30
seconds or every repeat of the 26-1 pattern, whichever is longer.
T1.105 A5 PERIODIC
CANCEL (87-3 pattern)
GR-253 5-33(d)
An 87-3 pattern is selected. The sequence pattern is 87 pointer
movements followed by 3 missing pointer movements with a
cancelled pointer movement at the 87th pointer. Pointer polarity is
selectable, and the time interval between pointer adjustments can
be set (see Note 1). Cancelled adjustments occur every 30 seconds or
every repeat of the 87-3 pattern, whichever is longer.
T1.105 A5 PERIODIC
CANCEL (Continuous
Pattern)
GR-253 5-34(d)
Periodic Single adjustments, with selectable polarity and cancelled
adjustment (1 less). The time interval between pointer adjustments
can be set (see Note 1). Cancelled adjustments occur every 30
seconds or every repeat of the 87-3 pattern, whichever is longer.
GR-253 5-32(d)
PERIODIC CANCEL (26-1
pattern)
This selection is only available if you have selected VT1.5 mapping.
The sequence pattern is 26 pointer movements followed by 1
missing pointer movement. The cancelled adjustment is the 26th
pointer adjustment, that is the one before the regular gap of 1.
Pointer polarity is selectable and the time interval between pointer
adjustments programmable to 200 ms, 500 ms, 1 s, 2 s, 5 s or 10s.
Cancelled adjustments occur every 30 seconds or every repeat of the
26-1 pattern, whichever is longer.
Pointer Sequence
Description