This is the instruction manual for Speedlite Transmitter ST-E2
The ST‑E2 is a Canon wireless speed‑light transmitter that lets you control multiple Canon Speedlite flashes as a group. It automatically supports the camera's TTL exposure modes (E‑TTL II, E‑TTL, TTL) and includes an AF‑assist lamp for low‑contrast subjects.
The manual explains how to install the CR5 lithium battery, mount the unit on a camera, power it on, set the wireless channel, and use automatic and manual flash modes. Safety notes, troubleshooting tips, and specifications such as battery type, AF‑assist range, and auto‑power‑off timer are also covered. This manual is written in Japanese.
| Battery type | CR5 lithium battery (1 unit) |
|---|---|
| AF assist light effective distance | Central 0.8‑1.0 m, peripheral 0.8‑0.5 m |
| Auto power‑off timer | 80 seconds of inactivity |
| Supported TTL modes | E‑TTL II, E‑TTL, TTL |
Press the CH button; each press cycles to the next channel number. Stop when the desired channel is displayed.
It uses one CR5 lithium battery.
The AF‑assist light works from 0.8 m to 1.0 m centrally and 0.8 m to 0.5 m peripherally.