Bedienungsanleitung Garmin GPSMAP 557 (Seite 40 von 48) (Englisch)

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Setting the Water Temperature Offset

Before you can set the water temperature offset, you must have

a NMEA 0183 water-temperature sensor or a temperature-

capable transducer to measure water temperature.

The temperature offset compensates for the temperature

reading from a temperature sensor.

Measure the water temperature using the temperature sensor

or temperature-capable transducer that is connected to the

chartplotter.

Measure the water temperature using a different temperature

sensor or a thermometer that is known to be accurate.

Subtract the water temperature measured in step 1 from the

water temperature measured in step 2.

This is the temperature offset. Enter this value in step 5 as a

positive number if the sensor connected to the chartplotter

measures the water temperature as being colder than it

actually is. Enter this value in step 5 as a negative number if

the sensor connected to the chartplotter measures the water

temperature as being warmer than it actually is.

Select Settings > My Vessel > Temp. Offset.

Enter the temperature offset calculated in step 3.

Communications Settings

NOTE: Some settings and options require additional charts or

hardware.

Select Settings > Communications.

Serial Port 1: Sets the input/output format for port 1 to use

when connecting the chartplotter to external NMEA devices,

computers, or other Garmin devices.

Serial Port 2: Sets the input/output format for port 2 to use

when connecting the chartplotter to external NMEA devices,

computers, or other Garmin devices.

NMEA 0183 Setup: Sets the NMEA 0183 sentences the

chartplotter transmits, how many digits to the right of the

decimal point are transmitted in a NMEA output, and how

waypoints are identified (NMEA 0183 Settings).

NMEA 2000 Setup: Allows you to view and label the devices on

the NMEA 2000 network (NMEA 2000 Settings).

Marine Network: Allows you to view the devices with which you

are sharing maps, sonar, or radar. Not available on all

chartplotter models.

NOTE: You can only view networked data on a model that

supports that data. For example, you cannot view networked

radar on model that does not support radar.

Wireless Devices: Allows you set up wireless devices

(Communication with Wireless Devices). Not available on all

chartplotter models.

Wi-Fi® Network: Allows you set up the Wi‑Fi network

(Communication with Wireless Devices).

NMEA 0183

The chartplotters support the NMEA 0183 standard, which is

used to connect various NMEA 0183 devices, such as VHF

radios, NMEA instruments, autopilots, wind sensors, and

heading sensors.

To connect the chartplotter to optional NMEA 0183 devices, see

the chartplotter installation instructions.

The approved NMEA 0183 sentences for the chartplotter are

GPAPB, GPBOD, GPBWC, GPGGA, GPGLL, GPGSA, GPGSV,

GPRMB, GPRMC, GPRTE, GPVTG, GPWPL, GPXTE, and

Garmin proprietary sentences PGRME, PGRMM, and PGRMZ.

This chartplotter also includes support for the WPL sentence,

DSC, and sonar NMEA 0183 input with support for the DPT

(depth) or DBT, MTW (water temperature), and VHW (water

temperature, speed, and heading) sentences.

NMEA 0183 Settings

Select Settings > Communications > NMEA 0183 Setup.

Sounder: Enables NMEA 0183 output sentences for the

sounder (if applicable).

Route: Enables NMEA 0183 output sentences for routes.

System: Enables NMEA 0183 output sentences for system

information.

Garmin: Enables NMEA 0183 output sentences for Garmin

proprietary sentences.

Posn Precision: Adjusts the number of digits to the right of the

decimal point for transmission of NMEA output.

Waypoint IDs: Sets the device to transmit waypoint names or

numbers via NMEA 0183 while navigating. Using numbers

may resolve compatibility issues with older NMEA 0183

autopilots.

Diagnostics: Displays NMEA 0183 diagnostic information.

Defaults: Restores the NMEA 0183 settings to the original

factory defaults.

NMEA 2000 Settings

Select Settings > Communications > NMEA 2000 Setup.

Device List: Displays the devices connected to the network.

Label Devices: Changes the labels for available connected

devices.

Viewing a List of NMEA 2000 Network Devices

You can view the devices connected to the NMEA 2000

network.

Select Settings > Communications > NMEA 2000 Setup >

Device List.

Setting Alarms

Navigation Alarms

Select Settings > Alarms > Navigation.

Arrival: Sets an alarm to sound when you are within a specified

distance or time from a turn or a destination.

Anchor Drag: Sets an alarm to sound when you exceed a

specified drift distance while anchored.

Off Course: Sets an alarm to sound when you are off course by

a specified distance.

System Alarms

Alarm Clock: Sets an alarm clock.

Device Voltage: Sets an alarm to sound when the battery

reaches a specified low voltage.

GPS Accuracy: Sets an alarm to sound when the GPS location

accuracy falls outside the user-defined value.

Setting the Fuel Alarm

Before you can set a fuel level alarm, a compatible fuel flow

sensor must be connected to the NMEA 2000 network.

You can set an alarm to sound when the total amount of

remaining onboard fuel reaches the level you specify.

Select Settings > Alarms > Fuel > Fuel Alarm > On.

Enter the remaining amount of fuel that triggers the alarm.

Setting Weather Alarms

Before you can set weather alarms, you must have a compatible

chartplotter connected to a weather device, such as a GXM

device, and have a valid weather subscription.

Select Settings > Alarms > Weather.

Turn on alarms for specific weather events.

Units Settings

Select Settings > Units.

34 Device Configuration

Garmin GPSMAP 557 Seite 40

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