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KP-M1A
- 10 -
7. External synchronization (2:1 interlaced)
When operating the camera by external drives signals, connect sync drive signals (HD, VD) to the
DC IN/SYNC connector, then the mode is automatically switched from the internal sync mode to the
external sync mode.
!
Horizontal and vertical drive signal inputs
HD EIA: f(H) = 15.734 kHz
±
1 %
CCIR: f(H) = 15.625 kHz
±
1 %
VD EIA: f(V) = 59.94 Hz (f(V) = f(H)
÷
262.5)
CCIR: f(V) = 50 Hz (f(V) = f(H)
÷
312.5)
!
Input
level
HD 2 to 6 Vp-p negative
VD 2 to 6 Vp-p negative
!
Input impedance 1 k
Ω
HD
VD
T=1/f(H)
!
Vertical drive signal (VD)
!
Horizontal drive signal (HD)
Set HD and VD fallings edges to the same phase (0
±
5
µ
s)
!
HD and VD phase relationship
!
Drive signal input waveform
Approx. 6.7
µ
s
2
〜
6Vp-p
Approx. 0.6ms(EIA); 0.5ms(CCIR)
2
〜
6Vp-p
T=1/f(V)
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