Samsung SV-254G User Manual download pdf (Page 26)

CONFIDENTIAL

MANAGEMENT No.

MODEL NO.

GPS22B01007

SECRET CLASS

PAGE

ISSUE

Table 28 Reset Configuration – SiRFLoc Specific

Hex Description

0x00

Perform a hot start using internal RAM data. No initialization data will be

used.

0x01

Use initialization data and begin in start mode. Uncertainties are 5 sec time

accuracy and 300 km position accuracy. Ephemeris data in SRAM is used.

0x02

No initialization data is used, ephemeris data is cleared, and warm start

performed using remaining data in RAM.

0x03

Initialization data is used, ephemeris data is cleared, and warm start

performed using remaining data in RAM.

0x04

No initialization data is used. Position, time and ephemeris are cleared and a

cold start is performed.

0x08

No initialization data is used. Internal RAM is cleared and a factory reset is

performed.

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102—SetDGPSPort

This command is used to control the serial port used to receive RTCM differential

corrections. Differential receivers may output corrections using different

communication parameters. If a DGPS receiver is used which has different

communication parameters, use this command to allow the receiver to correctly

decode the data. When a valid message is received, the parameters are stored in

battery-backed SRAM and then the receiver restarts using the saved parameters.

Table 27 contains the input values for the following example:

Set DGPS Port to be 9600,8,N,1.

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Samsung SV-254G User Manual Page 26