Ricoh PRIPORT VT 2000 Series Service Manual page 48

4) Peak Hold Signal Timing:
L. SYNC
CN403-29
(CN403-31)
Reading
CN403-25
(CN403-27)
Write Out
CN403-27
(CN403-29)
5 lines
SHMRT
PKHST
PKHTM
BLSET
Correction Timing
P.H. Signal Input
Timing
ON
SW2
( ): VT2300/VT2500
LSYNC
PKHTM
OFF ON
A Section (Main Scanning)
0
5 lines
Image
Reading
Original Background
Peak Hold
OFF
2080 3140 4096
1024
Pixels (64 mm width in the middle)
A
5120