L1fallback, Avoiding user profile loading errors, Figure 73: example user profile – control port – NavCom StarUtil-3000 Rev.A User Manual

Page 62: Avoiding user, Profile loading errors, For details

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StarUtil-3000 User Guide – Rev A

[L1FALLBACK]

This command is typically set to OFF to disable the L1 fallback (or optimized shading) option.
When L1 fallback is ON, dGPS mode precedence is set to Dual 3D

 Single 3D  Dual 2D 

Single 2D.

Avoiding User Profile Loading Errors

As a user profile is loaded into the receiver, each command line is acted upon as it is received.
A profile loading error occurs if the communication link between the PC and the receiver is
broken before all command lines are received. To avoid this loading error, the best practice is to
preview the control port baud rate in a user profile before loading the profile.

For example, a PC is currently connected to the SF-3050 COM Port 1 at 57600 bps. So, Port 1
is the current control port. In the example in Figure 73, previewing the profile to be loaded
reveals that the receiver Port 1 baud rate (highlighted) will be changed to 115.2 kbps. If no
adjustments are made prior to loading this profile, all of the commands following the Port 1
statement will be lost as a result of the receiver changing baud rates and the PC remaining at
57600 bps (see Figure 74).

[OUTPUT]PANICA,ONCHANGE,,ETH2
[PORT]1,115200,8,1,NONE
[PORT]2,19200,8,1,NONE
[PORT]3,57600,8,1,NONE
[PORT]4,57600,8,1,NONE
[2DNAVMODE]AUTO,0.0000
[PDOPLIMIT]10.0
[RTKTIMEOUT]15.0
[RTKFLOATTIMEOUT]300
[RTKMODE]rover,NCT,1
[PRDGPSMODE]RTCM1,OFF
[PRDGPSMODE]WAASEGNOS,ON
[PRDGPSTIMEOUT]RTCM1,300
[PRDGPSTIMEOUT]WAASEGNOS,300
[REFSTNPOS]0,0,0.000000,0,0,0.000000,0.000000
[L1FALLBACK]OFF

Figure 73: Example User Profile – Control Port

[OUTPUT]PANICA,ONCHANGE,,ETH2
[PORT]1,115200,8,1,NONE
[PORT]2,19200,8,1,NONE
[PORT]3,57600,8,1,NONE
[PORT]4,57600,8,1,NONE
[2DNAVMODE]AUTO,0.0000
[PDOPLIMIT]10.0
[RTKTIMEOUT]15.0
[RTKFLOATTIMEOUT]300
[RTKMODE]rover,NCT,1
[PRDGPSMODE]RTCM1,OFF
[PRDGPSMODE]WAASEGNOS,ON
[PRDGPSTIMEOUT]RTCM1,300
[PRDGPSTIMEOUT]WAASEGNOS,300
[REFSTNPOS]0,0,0.000000,0,0,0.000000,0.000000
[L1FALLBACK]OFF

Figure 74: Example User Profile – Broken Communication Link Results in Lost Commands

Lost Commands

6-60

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