Memorex RX 1 Smart Manual de instalación descargar pdf (Pagina 81)

Keypad & Display Description | 79

Log - Speed Log Input (Pulse or NMEA 0183)

This screen controls the input port (NMEA-0183 or Pulse) and format of the speed log

input to the MX51x. In the default condition, the speed log is not connected. NMEA

0183 speed is accepted from the xxVHW data sentence originating in any of the version

1.5, 2.0, 2.1, or 2.3 format where xx is a valid talker ID as specified in the NMEA 0183

standard. The CDU will also accept speed log pulse input, with pulses of up to 1.5 kHz.

Refer to the Installation section of this manual for the wiring interface instructions.

NMEA 0183 (VHW) Input Screen Pulse Input Screen

NMEA Input:

Data Input Port No. - Select the appropriate NMEA input port as determined by the

hardware interface. Refer to the Appendix F of this manual for wiring connections.

Alarm If No Data - Causes an alarm to activate if data is not received on the port you

defined within 10 seconds when Yes is selected (the default condition). To disable

the alarm, select No with the Change softkey.

Correction Factor - Allows you to make minor adjustments to observed or measured

errors in your speed through water calculation. The input value will be multiplied

by this value before it is used in the MX51x. The default value is 1.00.

Digital Pulse Input:

Pulses Pr. Nm - This is the calibrated pulses per speed unit value that you must get from

the speed log manufacturer.

Alarm If No Data - Causes an alarm to activate if data is not received on the port you

defined when Yes is selected (the default condition). To disable the alarm, select

No with the Change softkey.

Correction Factor - Allows you to make minor adjustments to observed or measured

errors in your speed through water calculation. The input value will be multiplied

by this value before it is used in the MX51x. The default value is 1.00.

Both input types have a window in the lower portion of the display which indicates the input

value in real time. If you input a calibrated pulse rate, you can check for the appropriate

speed right here.

You will be able to view the speed log information in the NAV4 screen when it is

implemented in future software.

Log Pulses - GPS SOG Log Pulse Output

This screen controls the output port (Pulse) of the speed over ground log output from

the MX51x CDU at a user-defined pulse rate per nautical mile. This output is normally

used to feed GPS SOG to an ARPA radar. The default state is not active, and set to 200

pulses per nautical mile. The Log Pulses output connection is done using the 8-pin AUX

connector.

Refer to the Installation section of this manual for the hardware interfacing.

Activate the output by selecting Yes to Emulation Enable and set the pulse rate based on

the device that you are connecting to.

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Memorex RX 1 Smart Manual de instalación Pagina 81