Do you have a question about the Garmin GHC 20 and is the answer not in the manual?
Engage heading hold to maintain current heading without steering the helm.
Adjust heading using helm or keys when autopilot is engaged.
Control boat drive direction (forward/reverse) using helm control.
Turns boat to run alongside initiation location, useful for man overboard.
Maintain a specific bearing relative to the current wind angle.
Configure power mode, power saver, and direction control.
Engage heading hold to maintain current heading without steering the helm.
Adjust heading using helm or keys when autopilot is engaged.
Control boat drive direction (forward/reverse) using helm control.
Turns boat to run alongside initiation location, useful for man overboard.
Maintain a specific bearing relative to the current wind angle.
Configure power mode, power saver, and direction control.
| Resolution | 320 x 240 pixels |
|---|---|
| Water Rating | IPX7 |
| Weight | 9.5 oz (269 g) |
| Garmin Marine Network Ports | 1 |
| Operating Temperature | 5°F to 158°F (-15°C to 70°C) |
| Display Type | QVGA |
| Mounting Options | Flush |
| Compatibility | Compatible with other devices |
| Display Size | 4 inches diagonal |
| Power Consumption | 1.5 W max |