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Double Two triggers are generated on every A/B sequence (see Fig. 5.28).
Quad Four triggers are generated on every A/B sequence (see Fig. 5.29).
.
There is a bug in the single A/B trigger mode in some camera revisions (see Ap-
pendix B). In this case when the encoder position moves back and forth by a
small amount, the EncoderCounter is incremented and the decrement is some-
times omitted, leading to a wrong EncoderPosition indication in the camera.
Therefore the single A/B trigger mode should not be used in the affected ver-
sions. To have the same behaviour as the single trigger mode, but without the
bug, use the double A/B mode and double the value of ABTriggerDivider.
)
B
0
G r a y C o u n t e r
0
E n c o d e r C o u n t e r
T r i g g e r F w d
T r i g g e r B k w d
T r i g g e r F w d B k w d
Figure 5.27: Single A/B Mode
)
B
G r a y C o u n t e r
0
E n c o d e r C o u n t e r
0
T r i g g e r F w d
T r i g g e r B k w d
T r i g g e r B k w d
Figure 5.28: Double A/B Mode
)
B
0
G r a y C o u n t e r
0
E n c o d e r C o u n t e r
T r i g g e r F w d
T r i g g e r B k w d
T r i g g e r F w d B k w d
Figure 5.29: Quad A/B Mode
.
MAN052 12/2018 V3.2
1
2
3
0
1
2
1
2
1
2
3
0
1
2
1
2
3
1
2
3
0
1
2
1
2
3
4
5
6
3
2
1
0
3
1
0
3
2
1
0
3
4
3
2
3
2
1
0
3
7
6
5
4
3
5.4 Trigger and Strobe
2
1
2
3
0
2
1
2
3
0
1
2
2
1
2
3
0
2
1
2
3
4
1
1
1
3
1
5
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