Memorex RX 1 Smart Manual de Instalação descarregar pdf (Página 87)

Keypad & Display Description | 85

autopilot will accept the MX51x data again. This is provided as a safety feature so

that the boat does not turn toward a new direction without your knowing of the

impending change. To disable the alarm, select No (the default condition) with the

Change softkey.

NMEA Out 1 - NMEA 0183 Output Data Control

These screens set the specific NMEA 0183 output record parameters as well as the port

control. The default setting is No. When this selection is changed to Yes, you can turn

on individual data records. Refer to the installation manual of the device you interfaced

with the MX51x to determine which output records are required. Refer to the Installation

section of this manual for MX51x hardware interface information.

MX510 Model - has two user NMEA ports available, two antenna ports (NMEA3 & 4)

dedicated to the MX smart antenna, and one Local Area Network (LAN) port.

MX512 Model - has 11 user NMEA ports, two antenna ports (NMEA 3&4), one LAN port

and one VGA port.

Pre plan your interface requirements to ensure all of your interfacing needs are met. All

NMEA Ports are RS-422 electrically. We recommend using these ports to interface to a

computer or other “single ended” interface.

The default condition of each port is Off. When you want to output data on a NMEA

port, scroll down the Item menu to the appropriate NMEA Out port number and change

Port Active to Yes. In doing so, the MX51x will display all available NMEA 0183 output

sentences.

MX510 NMEA Out Menu MX512 NMEA Out Menu

Scroll down the list using the cursor key to the desired NMEA 0183 sentence. Highlight

the Change softkey then press ENT to select On.

Highlight the Details softkey then press ENT to view the characteristics for the NMEA

record you select. If you notice that the top of some text is cut off by the Capacity

Needed window, this indicates that there are more selections available than can fit in the

window. Use the cursor key to scroll down the list. Each record is controlled separately.

Generally speaking, the following controls are available to you for most or all of the

records:

Checksum On or Off - NMEA 0183 version 2.1 and above requires that the checksum

is present. Versions 1.5 and 2.0 do not require the checksum. The MX51x

provides you the option of turning the checksum on or off to provide flexibility in

interfacing.

Output Rate - maximum once per second, unless the Multi-Hertz option is installed. Refer

to the Total Load Is section which follows.

All position information contained in any data record is output in the local datum selected

in CFG/Position; except GGA, which provides a selection in the Details screen to output in

either WGS-84 or the datum selected in CFG/ Position.

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Memorex RX 1 Smart Manual de Instalação Página 87