Sony XC-7500 Operating Instructions Manual page 76

Using the E-DONPISHA Function
The RESET mode (3V) video out (continued)
Low-Speed
To set to low speed, set the S7-6 switch on the SG-235
board to ON. The exposure duration is controlled by the
input trigger.
Trigger pulse
∞ ~
1/60 s Exposure duration
31 H
Video output 1
V sync signal
Video output 2
WEN pulse
(–1 V)
WEN pulse
(0 V)
Timing chart for low-speed RESET mode (3V) video signal
output
76
2 µs to 10 ms (TTL)
Trigger pulse interval:over 4 V
1 ⁄ 60 s 1 ⁄ 60 s 1 ⁄ 60 s
Video signal
ODD EVEN ODD
ODD EVEN ODD
External Control
Set the S5 switch on the SG-235 board to the minus (–)
position.
Set the S7-5 and S7-6 switches on the SG-235 board to ON.
Set the T2 (100 µs :1/100000s to 1 µs : 1/1000s) on the S6
switch on the SG-235 board.
You can control TX (exposure time) by setting the external
trigger pulse width T1.
Trigger pulse
T T
1
T
x
Video output 1
V sync signal
Video output 2
EVEN
WEN pulse
(–1 V)
EVEN
WEN pulse
(0 V)
T1: Set externally.
T2: Set with the S6 switch on the SG-235 board.
T3: Exposure duration
Timing chart for external control RESET mode (3V) video
signal output
over 2 µs (TTL) Trigger pulse interval:over 4 V
2
31 H 1 ⁄ 60 s 1 ⁄ 60 s
Video signal
ODD EVEN
ODD EVEN
1 ⁄ 60 s
ODD EVEN
ODD EVEN