ML24xxA Native Commands GPIB Operation
8-42 PN: 10585-00001 Rev. P ML2437A/38A OM/PM
GRDRQ (Return Graph Data readout)
GRFS (Profile Reference line state)
GRMD (Profile, Power vs. Time and Source Sweep Selection)
Syntax: GRDRQ
Remarks: Returns the values in the graph data box. GRDATA must be turned on
before attempting to execute GRDRQ. The result string is:
GRDRQ
<channel_number>,<Cursor_1_dB>,<Cursor_2_dB>,<Delta_power>,
<Delta_time>[,<Average>]
<Delta_power> and <Delta_time> are absolute values. <Average> is
only present when between cursor averaging is turned ON with the
GRAVG command.
If no data is available, that is, a sensor is not fitted, the profile is not
triggered, or the Power vs. Time graph has not reached to the cursor, the
output for the relevant readout value is 999 output as 9.99e2.
Example result strings might look like:
GRDRQ 1, –10.000, –5.000, 5, 1E-03 (cursor average off)
GRDRQ 1, –10.000, –5.000, 5, 1E-03, –7.5 (cursor average on)
Related
commands:
GRAVG, GRDATA
Syntax: GRFS <state>
state: ON or OFF
Remarks: Turn the profile reference line ON or OFF. The profile reference line is
centred between the top and bottom of the display.
Query: GRFS?
Returned String: GRFS <state>
Syntax: GRMD <c>
c: 1 or 2
Remarks: Selects the channel displayed on the Profile, Power vs. Time and Source
Sweep graphs.
Query: GRMD?
Returned String: GRMD <c>
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