Simrad GC80 Manual de Instruções descarregar pdf (Página 17)

Simrad DR76, AR78, AR80, AR81 and AR83 Repeaters

12 20221487 / B

3.4 Operation

SIMRAD AR 80

DIM

The analog repeaters include a rotating dial and a dimmer

button.

Turning the repeater ON

The repeaters have no separate power button, and the unit is

automatically turned on when the cable is connected to the unit.

The repeaters have been designed to accept a variety of NMEA

input sentences. When the cable is connected to the repeater, it

will automatically sense which sentence that is present. The

following priority is used when defining the signal:

- True heading (HDT)

- Heading & Variation format (HDG)

- Old Heading format (HDM)

If the signal is invalid or missing after 1 second, the repeater

will indicate this by flashing illumination and by rotating the

dial back and forth +/-35° around the last known heading.

When the defined input signal is lost, the power must be

switched off and on again. If the cable not is connected via an

external switch, the cable must be disconnecting and

reconnected again to define a new input signal.

Adjusting display illumination

The rotary button is used for adjusting the background

illumination on AR78 and AR80. Rotating the button in a

clockwise direction will increase the light intensity, while the

light intensity will be decreased when the button is turned

counter-clockwise.

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Simrad GC80 Manual de Instruções Página 17