viii
ABRIDGED COMMAND LIST
Commands which may be queried have a ? in parentheses (?) after the mnemonic. The ( ) are not
sent. Commands that may
only
be queried have a '?' after the mnemonic. Commands which
may
not
be queried have no '?'. Optional parameters are enclosed by {}.
i
and
j
are integers.
Tracking Control Commands
AUTO(?) {i}
Sets the search mode to AUTO (i = 1) or Manual (i = 0).
FLLT(?) {i}
Sets the receiver time constant.
GRIP(?) {i}
Sets the GRI to i micro seconds.
STOP
Stops LORAN station tracking.
STRT
Starts station acquisition.
STTN(?) {i}
Sets the station to be tracked.
Tracking Status Commands
GAIN?
Returns the current receiver gain.
INFO? i
Returns station search information.
LFOS?
Returns instantaneous frequency correction.
LPHA?
Returns current phase of internal clock relative to LORAN-C signal.
LSTA?
Returns the index of the station being tracked.
NSTA?
Returns the number of stations found during search.
STON?
Returns the noise margin of the station being tracked.
TIME(?) {h,m,s}
Sets/reads the time of day.
TLCK?
Returns the amount of time the FS700 has been locked.
TULK?
Returns the length of the last unlock period.
Phasemeter Commands
DLTF?
Returns the frequency offset between the FREQUENCY OUTPUT and the
OSC IN BNC's.
FREQ(?) {i}
Sets the frequency of the FREQUENCY OUTPUT.
PHSE?
Returns the phase difference between the FREQUENCY OUTPUT and the
OSC IN BNC.
Status Reporting Commands
*CLS
Clears all status registers.
*ESE(?) j
Sets/reads the standard status byte enable register.
*ESR? {j}
Reads the standard status register, or just bit j of register.
*IDN?
Returns the device identification .
*PSC(?) j
Sets the power on status clear bit. This allows SRQ's on power up if desired.
*RST
Clears instrument to default settings.
*SRE(?) j
Sets/reads the serial poll enable register.
*STB? {j}
Reads the serial poll register, or just bit n of register.
SENA(?) j
Sets/reads the LORAN status enable register.
