Toshiba IK-HD1D 用户手册
31
The unit can be used with an external sync signal connected to EXT. SYNC terminal on the rear panel.
When the external sync signal is input, the camera automatically switches its sync from the internal sync to
the external sync.
EXT. SYNC input
SYNC
Operation
External sync with SYNC
䋨
䋨䋨
䋨1䋩
䋩䋩
䋩 External sync signal input conditions
SYNC
䋺
䋨75㱅 unbalanced䋩
7
3 External Sync
0.6 V (p-p) standard
2 External sync frequency range
(59.94 Hz Setting)
(50 Hz Setting)
3 Using the unit with external sync signal
Adjust H (Horizontal) phase if necessary to match the output of multiple cameras.
When adjusting H (Horizontal) phase, refer to the item “7.2 (6) SYNC”.
3. 1 H (Horizontal) phase adjustment
Observe the external sync signal and the video signal output
waveform of the unit with a dual trace oscilloscope, and adjust
H phase so that the H phases match.
Match
the phase.
the phase.
External
Sync. signal
Sync. signal
Camera
Sync. output
Sync. output
H : 33.716
䌫Hz 㫧 35 ppm
V : 59.94 Hz
㫧 35 ppm
H : 28.125
䌫Hz 㫧 35 ppm
V : 50 Hz
㫧 35 ppm
The shutter speed can be set by the horizontal scanning period (1H).
1 Setting by 1H
1/1125H to 560/1125H stands for the setting by the 1H and the shutter speed can be set by the 1H.
7
4 Synchro. Scan Operation
IK-HD1D_EN.indd 31
IK-HD1D_EN.indd 31
2008/04/16 17:53:38
2008/04/16 17:53:38