How do I remove satellites from my LD5-B or LD5-C for DP Trials?

This article covers variant B and C models of the LD5. To check LD5 variant see How do I tell which LD5 version/variant I have? For LD5-A variants see How do I remove satellites from my LD5-A for DP Trials?
 
In order to remove satellites from a receiver a connection must be established to the GNSS card. For that the LD5 operating mode will need to be switched to maintenance mode.
 
Please see FAQ What settings should I note down and how do I reconfigure my LD5 settings? prior to switching to maintenance mode. In maintenance mode there will not be any NMEAb and External RTCM options available for output.
 
The LD5 can be switched to maintenance mode by selecting Config > Config and selecting Maint in the operating mode and selecting Apply. The unit will reboot and be in maintenance mode.
 
Then either connect to the unit via serial or by IP connection.
 
To connect via serial go to Config > I/O and select one of the three com ports and set ‘GNSS Config’ as the data stream with default baud rate options.
 
To connect the LD5 to a PC you will  need to have VIO installed. The VIO program is part of the Verify-QC software suite. Verify-QC can be downloaded here.
 
Once successfully installed, VIO can be launched by going to Start > All Programs > Veripos > Verify v1.xx > Launch Vio. 
 
To connect to the LD5 via serial in VIO go to Config > IO Join > New and set the IO Device as serial, select the port of your PC you have connected to the LD5 and set the baud rate options to 115200 8 None 1.
 
To connect to the LD5 via IP in VIO go to Config > IO Join > New and set the IO Device as Client Socket, enter the IP of the LD5 (192.168.2.5 by default) and the port to 9012.
 
Select View > IO to display the data connection you just established. This window will be blank, right click inside and select Send Message. This will open the send message dialogue box. Enter test in the message field tick the CR and LF boxes and click Send. The response should be as below, confirming that communication to the card has been established:


The command needed to be sent is ‘ELEVATIONCUTOFF ALL X’ where x is the elevation in degrees that you want the cut-off to be set at.


The above photo shows the command needed to set the elevation cut-off to 15 degrees.
 
Once test has been carried out the command ‘elevationcutoff all 0’ will need to be sent before returning to LD5 mode in order to revert changes.
 
LD5 can be switched back to LD5 mode by selecting to Config > Config and selecting LD5 in the operating mode and selecting Apply. The unit will reboot and be in LD5 mode.
 
Please use same FAQ What settings should I note down and how do I reconfigure my LD5 settings? to reconfigure the settings.