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4 - 58 COMMAND REFERENCE
HCOPy:DATA?
Syntax:
HCOPy:DATA?
Response:
<indefinite_block>
Description:
This query returns a data block of indefinite length containing a hardcopy of the
picture on the oscilloscope display, according to the current printer/plotter
selections. These selections can be made through the UTIL - PRINT & PLOT
softkey menu options. The received data block can be sent to a supported plotter
or printer via the IEEE bus or the EIA-232-D (RS-232-C) interface to get the
hardcopy. If the oscilloscope is in the analog mode, error -221 "Settings
conflict;Digital mode required" is generated.
Refer to the HCOPy:DEVice command for a list of supported printers and plotters,
of which two special selection possibilities:
HPGL If this is selected, a plotter independent HPGL data block is sent,
which can be used, for instance, in a Desk Top Publishing
application.
DUMP_M1 This selects a special trace dump to be used in combination with
one of the generators PM5138, PM5139, or PM5150 connected to
the CombiScope via GPIB. This option can only be started by
pressing the PLOT key on the front panel; not by sending the
HCOPy:DATA? query. Also the controller must be disconnected
from the GPIB and the generator must be in its "listen only" (LO)
mode.
After a
*
RST command, the option "HPGL" is selected.
Example:
Prepare for hardcopy to a HPGL plotter.
Send
→
*
RST Selects HPGL-plotter.
Send
→ HCOPy:DATA? Queries for screen hardcopy data.
Read
← <data_block> Reads the hardcopy data block.
<data_block> = #0<hardcopy_data>NL
Send
→ <hardcopy_data> Sends the hardcopy data block to the connected
HPGL plotter.
Note: The preamble #0 (for indefinite length block data) at the beginning of the
data block must not be sent.
Front panel compliance:
The HCOPy:DATA? query is the remote equivalent of the PLOT key on the front
panel.