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Set backlight for screen and keys
You can set the backlight to one of four brightness levels or off. Press once to display the current backlight level, press
again to change the level:
Backlight level 2
The display
The display normally shows depth. If it displays dashes (—
2-5 Key reference
2-3 Alarms
The Explorer D310 can be set to sound an alarm when the water is too deep or too shallow (see sections symbol on the display flashes and any external beepers or lights operate.
Press to mute the alarm. The alarm stays muted until the depth becomes normal. The alarm will sound if the depth becomes too deep or too shallow again.
2-4 Simulate mode
Simulate mode allows you to become familiar with the unit off the water. In Simulate mode, the Explorer D310 functions normally except the transducer is ignored and the unit generates this data internally. The word SIMULATE flashes at the top, left corner of the screen.
To turn Simulate mode on or off:
1Turn the power off.
2Hold down while you turn the power on.
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| Set alarms | Turn alarm | |
Turn power on |
| on or off | ||
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Hold | Turn Simulate | Set Too Deep | Increase | |
alarm | ||||
| on or off | alarm | ||
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| Hold | depth | ||
Hold |
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| 2 sec |
| ||
+ |
| Decrease | ||
Reset memory | Set Too Shallow | |||
5 sec | alarm | |||
| alarm | |||
|
| depth | ||
Normal operation |
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Hold |
| |||
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| Return to | ||
Hold | 2 sec | 2 sec | ||
| normal | |||
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| ||
+ |
| Setup | operation | |
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| Increase | |
| Change depth units (metres, feet | Set Keel Offset | value or | |
| change | |||
|
| |||
| or fathoms) |
| setting | |
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| + | Decrease | |
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| Set Backlight | ||
| Mute an alarm | Group | value or | |
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| + | change | |
| Adjust backlight | setting | ||
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| Return to | ||
| (4 levels or off) |
| ||
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| normal | |
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| operation |
Northstar Explorer D310 Installation and Operation Manual | 5 |