Compass
Display
CD110
12
8.2 optional connections
8.2.1 Backlight
The backlight input is an autosense input which means that the applied voltage is relative to the
battery voltage. If the battery voltage is 12V the backlight setting is maximum when the applied voltage
to pin 2 is 12V. If the battery voltage is 24V and the applied voltage to pin 2 is 12V the brightness will
be dimmed.
PIN 2 Backlight dim input (0 to 12V or 0 to 24V, autosense)
8.2.2 NMEA0183 echo
The NMEA echo pin is used for connecting other devices who also need the NMEA messages from
the compass sensor.
PIN 8 NMEA0183 output, in combination with GND pin 7
8.2.3 Alarm output
The Alarm output is used for connecting an external warning device such as a buzzer. If more than
100 mA is needed a small relay should be used.
PIN 12 Alarm output, in combination with the b pin
8.3 Service menu
To enter the service menu you have to press SET when you switch the power on.
8.3.1 Display info
Press set to view: Display type, interface, software version.
8.3.2 Compass info
Press set to view: Compass type, interface, software version.
8.3.1 Display reset
Press SET to reset the display to factory settings.
8.3.2 Compass reset
Press SET to reset the compass to factory settings.
8.3.2 Close menu
To exit the service menu press SET.
Содержание CD110
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