Nikon SB-800 Repair Manual page 48

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・Synchro terminal:

This is connected in parallel with the shoe contacts, and receives the flash-start signal by connecting the synchro wire SC-11,

SC-15, etc.

・TTL multiple-flash terminal:

This is connected in parallel with the shoe contacts, and receives the flash-start and flash-stop signals by connecting the TTL

wire SC-18 and SC-19.

・AF LED:

This is the LED that lights based on the output from the AF assist illuminator circuit. This emits a specified vertical striped

pattern to the object, and assists the AF distance measurement.

・Buzzer:

This is the piezoelectric buzzer that sounds by the output from the buzzer drive circuit. This sounds by the output by the

buzzer drive circuit and the sounding tone and pattern are based on the CPU command.

・SPD:

This is the sensor to control the pre-flash output, manual flash output, and external flash output by monitoring the light

volume via connection to the metering circuit.

・External AF assist illuminator contacts:

When the TTL Remote Cord SC-29 with the AF assist illuminator function is attached, SB-800 automatically lights up the

AF assist illuminator of SC-29 based on the AF light signal from the camera, instead of lighting the AF assist illuminator of

SB-800.

- E 5 ･ SB-800 -

FSA03501-R.3613.A

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