This manual provides assembly, operation, menu settings, and usage tips for the GH GH-20 metal detector.
The GH GH-20 metal detector manual details the assembly of the device, including the installation of the control unit, battery placement, and probe connection. It explains how to configure the host menu settings such as sensitivity, volume, and channel selection. This manual is written in Chinese.
| Frequency/Transmission | 18kHz |
|---|---|
| Coil Type | Double D |
| Audio Output | Built-in speaker and 6.35mm headphone jack |
| Display | Large monochrome 76mm x 37mm LCD |
| Battery | 4 AA alkaline or rechargeable batteries |
| Sensitivity Adjustment | Adjustable (1 to 30) |
Press the ground balance key, then hold it for 3 seconds to enter beach mode.
There are four preset metal detection modes plus a full metal mode.