Uniden UM435 Owner s Manual - Page 52

NMEA OPERATION, NMEA Input, NMEA Output

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TXO Transmitter Carrier On TXP Transmitter Primary On NMEA OPERATION This radio supports NMEA0183 version 3.01. NMEA Input If you have difficulty getting your radio to receive data from your GPS receiver, check the device's configuration. It should be set to the following parameters: Baud rate Data bits Parity Stop bits Data amplitude Drive capability 4800 bps 8 None 1 Over 3.0 V Over 10 mA The radio supports RMC, GLL, GNS, GGA and ZDA sentences. When these sentences are received, the radio displays latitude/longitude, date, time, course, and speed. If any sentence except an RMC or GLL sentence is received, the radio uses the information based on the following priority order. xx Status:RMC > GLL > GNS > GGA xx Latitude/Longitude:RMC > GLL > GNS > GGA xx UTC Time: RMC > GLL > GNS > GGA > ZDA xx Date: RMC > ZDA xx Speed / Course:RMC ## NOTE 1: If the radio receives only a GLL sentence, the radio does not display the current speed, course, and date. ## Note 2: If the radio receives both RMC and GLL sentences, the radio uses only the RMC sentence. ## Note 3: Status data is used to check whether the GPS data is valid or invalid. NMEA Output When the radio receives a DSC call (Distress, Position Reply, or Position Send), it outputs a DSC/DSE sentence from the NMEA output port. ## NOTE: When the radio receives a distress call, it outputs a sentence in the following format: xx $CDDSC,12,3081234000,,07,00,0354013946,0657,,,S,E*6D $CDDSE,1,1,A,3081234000,00,60875646*13 44

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TXO
Transmitter Carrier On
TXP
Transmitter Primary On
NMEA OPERATION
This radio supports NMEA0183 version 3.01.
NMEA Input
If you have difficulty getting your radio to receive data from your GPS receiver, check the
device’s configuration. It should be set to the following parameters:
Baud rate
4800 bps
Data bits
8
Parity
None
Stop bits
1
Data amplitude
Over 3.0 V
Drive capability
Over 10 mA
The radio supports RMC, GLL, GNS, GGA and ZDA sentences. When these sentences are
received, the radio displays latitude/longitude, date, time, course, and speed. If any
sentence except an RMC or GLL sentence is received, the radio uses the information based
on the following priority order.
x
Status:RMC > GLL > GNS > GGA
x
Latitude/Longitude:RMC > GLL > GNS > GGA
x
UTC Time: RMC > GLL > GNS > GGA > ZDA
x
Date: RMC > ZDA
x
Speed / Course:RMC
#
NOTE 1:
If the radio receives only a GLL sentence, the radio does not display the current
speed, course, and date.
#
Note 2:
If the radio receives both RMC and GLL sentences, the radio uses only the RMC
sentence.
#
Note 3:
Status data is used to check whether the GPS data is valid or invalid.
NMEA Output
When the radio receives a DSC call (Distress, Position Reply, or Position Send), it outputs a
DSC/DSE sentence from the NMEA output port.
#
NOTE: When the radio receives a distress call, it outputs a sentence in the following
format:
x
$CDDSC,12,3081234000,,07,00,0354013946,0657,,,S,E*6D
$CDDSE,1,1,A,3081234000,00,60875646*13
44