Connecting the <DC OUT/RS> terminal to the external recording start/stop switch

The <DC OUT/RS> terminal can supply 1.0 A current.

Recording start/stop can be controlled by connecting an external switch to this terminal.

An LED connected to this terminal can also be used as a tally lamp. This is useful for shooting video when fixing the camera on a crane.

GND
TALLY OUT
Open collector output on the camera side

Tally lamp on

Low impedance

Tally lamp off

High impedance
Recording start/stop switch
This is connected in parallel to the <REC> button on the camera or the VTR button on the lens.
+12 V

Tally lamp on	Low impedance
Tally lamp off	High impedance