Anritsu ML2437A - FAST (Operate in Non-488.2 Compliant Mode)

GPIB Operation ML24xxA Native Commands
ML2437A/38A OM/PM PN: 10585-00001 Rev. P 8-37
FAST (Operate in non-488.2 compliant mode)
Notes: The GPIB command error and GPIB execution error are always enclosed
within exclamation marks (!). If no errors have been produced since the
last ERRLST was read, the ERRLST will end with '!!!'.
When read for the first time after startup, a sensor may be reported as
not fitted even though it is. This is because the error condition of a
sensor used in a channel configuration was recorded before the sensor
initialization was completed.
If a sensor is not used in a channel configuration, it will be reported as
Zeroed, although it may not have been. If the sensor is then used in a
channel configuration, it’s zero status will be correctly reported.
Related
commands:
*ESE?, *ESR?
Syntax: FAST <state>
state: ON or OFF
Remarks: This command allows the system, for speed purposes, to send the
present system readings directly to the output, with no buffering at all
(obeying the rules sent earlier when talk addressed). GPIB 488.2 rules
specify that data should only be given after a request. FAST mode
allows data to be read without requesting it first (like the HP437/8). The
following conditions and restrictions apply:
a.REMOTE is written across the screen, and no screen updates are
done.
b.Sensor data for a single sensor only can be output from display
channel 1, according to the following rules:
If the input configuration for display channel 1 is set to either OFF or
EXT VOLTS, it is set to ‘A’ and sensor A data is output if a sensor is
connected to input A.
If the input configuration for display channel 1 is set to a sensor
combination (A-B, A/B, etc.), the configuration is left as is but only the
sensor A data is output.
If the input configuration of display channel 1 is set to ‘B’, sensor B data
is output.
c.Output from display channel 2 is set to OFF.
d.Output is in dB only.
e.Sensor OFFSETS are applied.
f.Relative is applied if it is set to on before switching to FAST mode, and
if display channel 1 is configured for a single sensor and dB units.
g.No other data output requests are processed while in FAST mode,
except for serial poll. FAST mode must be turned off, for example, to ask
for the identity data.
h. FAST mode will not operate when sent via RS232.