Memorex RX 1 Smart Installationshandbuch PDF herunterladen (Seite 74)

72 | Keypad & Display Descriptione

Compass - External Compass Input & Magnetic Variation

Table

The MX51x will accept compass input using the NMEA 0183 data record of xxHDT,

xxHDG, xxHDM, xxHCC, xxHCD, xxVHW, or any of the above. The “xx” refers to the

Talker Identifier as specified in the NMEA 0183 standard. It will accept these data

records vitually from any talker ID, and from any version (1.5 or higher) of the NMEA

0183 standard.

To implement this feature, change Compass Connected to Yes.

Identify the appropriate input port that the compass connects to the CDU by using the

Change softkey.

Select whether or not the MX51x should give an alarm if data is not received on the input

port.

Select the compass type, either Magnetic, Gyro, or MX575. Only the NMEA 0183 records

identified above are accepted for the gyro input.

Magnetic:

Select the magnetic deviation method: either In Compass - the deviation is corrected

before being sent to the MX51x; or In Navigator - the deviation is corrected by editing a

deviation table (Edit Table softkey) in the MX51x.

Gyro:

Set the constant Gyro Heading Offset (or bias) if any.

Specify the input NMEA 0183 record for the Input Sentence. HDT, HDG, HDM, HCC, HCD,

VHW, or Any.

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Memorex RX 1 Smart Installationshandbuch Seite 74