2) MASK , [ 1 to 6 ] ,
Reads the contents of one of the 6 mask registers. Mask register 1
is the mask register corresponding to the Main Status Byte.
or
MASK , ?
Reads the contents of the 6 mask registers in the order 1 to 6.
or
MASK
Sets
, [ 1 to 6 ] , [ 0 to 255 ]
the contents of one of the 6 mask registers to a decimal value
between 0 to 255.
3) TSTB , [ 1 to 6 ] ,
Reads the contents of one of the 6 status bytes but does not clear
it. Status Byte 1 is the Main Status Byte.
or
TSTB , ?
Reads the contents of all status bytes in the order 1 to 6, but does
not clear them.
7.6.9 GPIB Interface Message Interpretation
I) Device clear: DCL (GPIB hexa code: 14) or SDC (GPIB hexa code:
Clears the input and output buffers, terminates plotting and data
transmission. All the status bytes, except STB 4, and all the
corresponding masks as well as the SRQ line are reset.
THIS COMMMAND IS IMMEDIATELY EXECUTED.
2) Trig: GET (GPIB hexa code:
Re-arms the oscilloscope. Valid only in SINGLE or SEONCE mode and
only when the 9400A is in REMOTE.
3) REMOTE/LOCAL commands:
If the 9400A receives a command to go into REMOTE or go back to
LOCAL while it is acquiring a signal, the front panel REMOTE LED
doesn’t change, although the internal state as well as the display
will change.
7-38
Remote Operations
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