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Selecting Test Features
Adding Pointer Adjustments
Pointer Sequence
G.783 (h) PERIODIC
Periodic Single adjustments, with selectable polarity and cancelled adjustment
CANCEL (Continuous
(1 less). The time interval between pointer adjustments can be set (see Note 1).
Pattern)
Cancelled adjustments occur every 30 seconds or every repeat of the 87-3
pattern, whichever is longer.
PERIODIC NORMAL
This selection is only available if you have selected TU11 mapping, or TU12
(26-1 Pattern)
with ASYNC DS1 selected. The sequence pattern is 26 pointer movements
followed by 1 missing pointer movement. 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 seconds.
PERIODIC ADD (26-1
This selection is only available if you have selected TU11 mapping, or TU12
Pattern)
with ASYNC DS1 selected. 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.
PERIODIC CANCEL
This selection is only available if you have selected TU11 mapping, or TU12
(26-1 pattern)
with ASYNC DS1 selected. 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 Notes
Note 1: For AU and TU-3, 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 TU except TU-3, the sequence interval is selectable from:
200 ms, 500 ms, 1, 2, 5 and 10 seconds.
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