Memorex RX 1 Smart Manual de instalación descargar pdf (Pagina 119)

118 | Simrad MX500

The default setting is Yes. If the alarm is set to Yes, you

should notice that the receiver drops out of DGPS mode

and into the mode selected in DGPS Mode described ear-

lier in this section at the same time the alarm sounds.

Alarm on health change - Sets the alarm to On or Off if

the satellite becomes unhealthy or unusable.

WAAS/EGNOS enabled - sets the source of differential

correction to come from satellite based augmentation

system such as US-WAAS or European-EGNOS system.

Although this systems are available, they are still not

considered as IMO compliant systems. Use of these dif-

ferential correction sources should be done with great

caution.

External DGPS Enabled - gives the user the capability to

accept RTCM SC-104 corrections from an external bea-

con receiver (Coastguard or a Private Beacon Reference

Station). The MX500 allows you to control the baud rate

of SC-104 Data input port. The following baud rates can

be used - 2400, 4800, 9600, 19200.

WAAS/EGNOS and External DGPS are available only for

the MX521A or MX525A antenna with the MX500 CDU.

DR - Dead Reckoning

DR, or Dead Reckoning, is an added navigation feature of

the MX500.

When the DR setting is set to ‘Yes’ and appropriate com-

pass/heading and speed log sensors are connected and

activated, the MX500 will automatically switch to DR cal-

culation when the GPS positioning becomes unavailable.

A DR icon on the top right corner of the display indicates

that the position displayed is derived from DR calculation.

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Memorex RX 1 Smart Manual de instalación Pagina 119