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Chapter

Prepar
ation
DC OUT Connector and External REC Start/Stop Switch Connection
The DC OUT connector on the camera can output a 1.5 A 
current.
Connecting an external switch to this connector enables 
REC Start and Stop control.
An LED can be connected and used as a tally lamp, which 
is convenient when the camera is mounted on a crane 
during recording.
DCOUTconnector
1
2
3
4
Cableconnector
HR10A-P-P()
HiroseElectricCo.
(For details on connecting 
the connector, refer to 
page 164.)
Resist-
ance
REC
Start/Stop
(Connection example) 
LED
1:  GND
2:  TALLY OUT
The AG-HPX300P has open collector output
TALLY ON:
 
Low impedance
TALLY OFF:
 
High impedance
3:  REC Start/Stop switch
This pin is connected in parallel with the REC button 
and the lens VTR button.
4:  +12 V
 NOTE:
Be sure to check polarity before connecting an external device 
as incorrect connection could lead to damage.