Jackson Labs FireFly-1A GPSDO, Руководство пользователя

Страница: 21 / 44

© 2011 Jackson Labs Technologies, Inc. 15
FireFly-1A User Manual
3.7.2 MEASure:CURRent?
This query returns the current drawn by the OCXO. This current varies in order to keep a stable
temperature inside the OCXO.
3.7.3 MEASure?
This query returns the result of the two following queries:
MEASure:VOLTage?
MEASure:CURRent?
3.8 SYSTEM Subsystem
This subsystem regroups the commands related to the general configuration of the FireFly-1A. The
list of the commands supported for this subsystem follows:
SYSTem:COMMunicate:SERial:ECHO <ON | OFF>
SYSTem:COMMunicate:SERial:PROmpt <ON | OFF>
SYSTem:COMMunicate:SERial:BAUD <9600 | 19200 | 38400 | 57600 | 115200>
SYSTem:STATus?
SYSTem:FACToryReset ONCE
3.8.1 SYSTem:COMMunicate
3.8.1.1 SYSTem:COMMunicate:SERial:ECHO
This command enables/disables echo on RS-232. This command has the following format:
SYSTem:COMMunicate:SERial:ECHO <ON | OFF>
3.8.1.2 SYSTem:COMMunicate:SERial:PROmpt
This command enables/disables the prompt “scpi>” on the SCPI command lines. The prompt must be
enabled when used with the software GPSCon. This command has the following format:
SYSTem:COMMunicate: SERial:PROmpt <ON | OFF>
3.8.1.3 SYSTem:COMMunicate:SERial:BAUD
This command sets the RS-232 serial speed. The serial configuration is always 8 bit, 1 stop bit, no
parity, no HW flow control. Upon Factory reset, the speed is set at 115200 bauds. This command has
the following format:
SYSTem:COMMunicate:SERial:BAUD <9600 | 19200 | 38400 | 57600 | 115200>