Selecting Test Features

Adding Pointer Adjustments

Pointer Sequence

Description

 

 

T1.105 A3 PHASE

Phase transient pointer adjustment burst test sequence. All

TRANSIENT

adjustments are of the same polarity, which is selectable. The

GR-253 5031

interval between bursts is fixed at 30 seconds. Each burst consists

 

of 7 pointer movement. The first 3 in each burst are 0.25 s apart,

 

and the interval between the 3 and 4 movement, and each

 

remaining movement 0.5 seconds.

 

 

T1.105 A4 PERIODIC

An 87-3 pattern is selected. The sequence pattern is 87 pointer

NORMAL (87-3 Pattern)

movements followed by 3 missing pointer movements. Pointer

GR-253 5-33(b)

polarity is selectable and the time interval between pointer

 

adjustments settable.

 

 

T1.105 A4 PERIODIC

Provides a continuous sequence of pointer adjustments. The

NORMAL (Continuous

polarity of the adjustments is selectable, and the time interval

Pattern) GR-253 5-34(b)

between adjustments can be set (see Note 1).

 

 

GR-253 5-32(b)

This selection is only available if you have selected VT1.5 mapping.

PERIODIC NORMAL (26-1

The sequence pattern is 26 pointer movements followed by 1

Pattern)

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.

 

 

T1.105 A5 PERIODIC ADD

An 87-3 pattern is selected. The sequence pattern is 87 pointer

(87-3 Pattern)

movements followed by 3 missing pointer movements with an added

GR-253 5-33(c)

pointer movement after the 43rd pointer. The spacing between the

 

added adjustment and the previous adjustment is set to the

 

minimum. Pointer polarity is selectable. The time interval between

 

pointer adjustments can be set (see Note 1). Added adjustments

 

occur every 30 seconds or every repeat of the 87-3 pattern,

 

whichever is longer.

 

 

T1.105 A5 PERIODIC ADD

Periodic Single adjustments, with selectable polarity and added

(Continuous Pattern)

adjustment (1 extra). The spacing between the added adjustment

GR-253 5-34(c)

and the previous adjustment is set to the minimum, (see Note 2).

 

The time interval between pointer adjustments can be set (see Note

 

1). Added adjustments occur every 30 seconds or every repeat of the

 

87-3 pattern, whichever is longer.

 

 

58