DOC 6501_Release V
ATS-6501 Users Guide
182
ATS-6501>ptdraw_port
quit:
Description: Closes your command connection.
Syntax: quit (or exit)
Command Example:
ATS-6501>quit (or exit)
reboot:
Description: Reboot the operating system. By default the system will perform a warm
reboot in which the outputs of the system and current settings will be preserved during the
reboot process. Specifying a cold reboot will reset the system settings to their saved values
and perform a complete reset of the hardware which will result is a loss of output signals.
Usage: reboot [--cold]
reference:
Description: Select reference source. The system has the capability of using either its own
internal frequency reference or an external frequency reference. If an external frequency
reference (e.g., cesium, MASER) is available that is more stable than the internal reference
then the timing performance can be enhanced by utilizing the external source as the
frequency reference for the system.
If an external reference is specified (given by settings reference:source) the system
internally switches to use the 10 MHz input provided to the system.
The timescale option is valid if a 4393 module is available and 2 or more clocks are input to
the module. When timescale is selected the system effectively uses the ensemble of clocks
plugged into the 4393 module as the frequency reference enhancing timing performance
and system redundancy. Clocks must be added via the 'add_clock' command and the
timescale filter reference must be set before the timescale will function.
Usage: reference < internal | external | timescale>
Command Example:
ATS-6501>reference external
Query:
ATS-6501>settings reference:source
external
Warning: Prior to setting the reference to external, make sure the 10MHz signal from the
external reference is plugged in to the 10MHz IN connector on the rear of the ATS-6501
and the system is locked to that reference.
6501A_60>status reference:frequency:external:signal
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