This document is a user manual for the Nikon SB-400 flash, including precautions and proper usage instructions.
This manual explains how to safely install and use the Nikon SB-400 Speedlight. It includes safety warnings, battery handling, mounting procedures, and detailed flash operation modes such as red‑eye reduction, slow‑sync, and manual tilt settings.
The guide also covers compatible Nikon cameras, standby power‑saving features, and troubleshooting tips, helping users achieve optimal flash performance in various shooting situations. This manual is written in French.
| Battery type | Two AA batteries (1.5 V or lower), alkaline‑manganese, lithium, or Ni‑MH |
|---|---|
| Standby activation time | 40 seconds of inactivity |
| Ready‑light blink rate when battery low | 2 Hz (twice per second) for approx. 40 seconds |
Rotate the mounting foot lock lever to the left, slide the flash onto the camera’s hot‑shoe, then rotate the lever to the right to lock it in place.
If the flash and camera are idle for more than 40 seconds, the standby function automatically turns the SB‑400 off to conserve battery power.
Manual flash operation is available only with Nikon D40 cameras, allowing you to set flash output manually.