Guralp Systems CMG-6TD - Manual (Page 85)

CMG-6TD Command-line interface
This setting will be overridden when the GPS system next synchronizes the
clock.
7.3.6 TIME?
Syntax: TIME?
Displays the current time as held in the system's real time clock. If a GPS is
attached, this will be synchronized to it. The output is given in the form
year month day hour:minute:second ok
7.3.7 .FIX
Syntax: .FIX
Displays the current GPS timing fix. The GPS must be attached and powered
up for this command to be valid; if it is not, you will see an error message.
You can power up the GPS manually with the command XGPS.
The 6TD will reply in the form
.fix year month day hour:minute:second =>> fix-mode
SV#'s satellites ( number-of-satellites ) ok
where
•
year month day hour:minute:second is the current time (if
synchronised to GPS);
•
fix­mode is the fix type (either Auto 2-D or Auto 3-D), and
•
satellites is a list of the satellites currently visible. The 6TD will
carry out clock trimming only if an Auto 3-D fix is available, which
requires at least 3 satellites to be visible.
If the 6TD is not attached to a GPS, you will see the message
NO GPS
No FIX SV#'s none ok
7.3.8 .POSITION
Syntax: .POSITION
Displays the current reported GPS position, in the form
.position Lat latitude Long longitude ok
where latitude and longitude are displayed in degrees, minutes and
seconds.
MAN-T60-0002 85 Issue F - February 2014