This manual explains how to install the GF-1 external TTL flash on compatible Ricoh R‑type cameras, replace batteries, and operate the flash in various modes such as TTL, manual, and slave. It also covers safety warnings, power‑saving standby, and troubleshooting steps.
Technical specifications, flash index tables, and detailed instructions for manual and slave flash operation are included, helping users achieve proper exposure and safe handling of the device. This manual is written in Chinese.
| Flash index (ISO 100) | 20 (24 mm) – 30 (105 mm) |
|---|---|
| Power source | 4 × AA (5号) batteries, optional rechargeable Ni‑MH |
| Battery life (alkaline) | ≈200 flashes per set |
| Flash duration (full power) | 1/250 s |
| Color temperature | 5,600 K |
| Dimensions (L×H×W) | 65 mm × 95 mm × 80 mm |
| Weight (without batteries) | ≈240 g |
Set the mode selector to NORMAL, then use the flash‑power level selector to choose FULL or 1/4 power for manual output.