Sony XC-7500 Operating Instructions Manual page 78

Using the E-DONPISHA Function
The NON-RESET mode (2I) 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.
2 µs to 10 ms (TTL)
Trigger pulse
∞ ~
1/60 s
Exposure duration
Video output 1
V sync signal
Video output 2
WEN pulse
(–1 V)
WEN pulse
(0 V)
Timing chart for low-speed NON-RESET mode (2I) video
signal output
78
Trigger pulse interval:over 3 V
1 ⁄ 60 s 1 ⁄ 60 s 1 ⁄ 60 s
Video signal
EVEN
ODD ⁄ EVEN
ODD
ODD ⁄ EVEN
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 T3 (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 T2.
over 2 µs (TTL)
Trigger pulse
T T
1 2
T
x
1 ⁄ 60 s
Video output 1
V sync signal
Video output 2
WEN pulse
(–1 V)
WEN pulse
(0 V)
T1: Set externally.
T2: Set with the S6 switch on the SG-235 board.
TX: Exposure duration
Timing chart for external control NON-RESET mode (2I)
video signal output
Trigger pulse interval:over 3 V
1 ⁄ 60 s
Video signal
EVEN
ODD ⁄ EVEN
ODD
ODD ⁄ EVEN