Other Special Cases Affecting Nmea 0183 Records - Leica MX420 Operator's Manual

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Operator's Manual
Configuration
Other Special Cases Affecting NMEA 0183 Records:
BWC, BWR, APA, APB, RMB, RMC, and Man Over Board (MOB):
During the period when the Man Over Board function is activated,
NMEA 0183 records which contain bearing and range data, such as
those identified above (but not limited to these), will reflect the
bearing and range back to the MOB position until the MOB func-
tion is canceled. Refer to the MOB section of this manual.
APA, APB, XTE, and the Navigation Autopilot Alarm:
Refer to the CFG Navigation section. When the Autopilot Alarm
is set to No, the receiver always indicates a mode 'A " orvalid data
to the autopilot or other marine device which might be receiving
this data. If the Autopilot Alarm is set to Yes, then the receiver
changes the mode 'A' to 'V', indicating invalid data when you reach
a waypoint or exceed your cross-track error limit set in the CFG
Navigation XTE Limit field. When the alarm is canceled, which
requires your depression of the Cancel Alarm softkey (displayed
during the alarm condition), these data fields will revert to Valid
data and the autopilot will accept the receiver data again. This is
provided as a safetyfeature so that the boat does not turn toward
a new direction without your knowing ofthe impending change.
Output Port Configuration Conflicts:
Because the Log Pulses, Dual Contr., and NMEA out all use the
same hardware, it is only possible to enable one of these formats
on any given port. Ifyou have already defined a given port for one
format, and you attempt to define a different format for the same
port, the receiver will warn you ofthe port conflict. The first format
to be defined on a port maintains the port. The second format will
be ignored.
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Cont.inue
Version 7.5

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