NEC MultiSync FP1350 Service Manual page 91

2. Timing of Adjustment Signal
Signal Timing Charts
SEPARATE SYNC
HORIZONTAL
VERTICAL
COMPOSITE SYNC
HORIZONTAL
VERTICAL
VIDEO
C D
B
A
VIDEO
Q R
P
O
Sync Polarity: Positive/Negative
VIDEO
C D E
B
A
Q
P
Sync Polarity: Positive/Negative
5-50
E
S
VIDEO
R S
O
A: H.Total Time
B: H.Sync Time
C: H.Back Porch
D: H.Addr Time
E: H.Front Porch
O: V.Total Time
P: V.Sync Time
Q: V.Back Porch
R: V.Addr Time
S: V.Front Porch