User Manual

Command Descriptions
Examples
AUTOSET:VIEW E
VEN
will display v ideo signals synchronized on even fields
when operated in autoset mode.
BUSY? (Query Only)
Returns the status of the oscilloscope. This command allows you to synchronize
the operation of the oscilloscope with your application program. (See page 3-7,
Synchronization Methods.)
Certain oscilloscope operations can affect the
BUSY? response. (See Table 3-3
on page 3-7.)
Group
Status and Error
Syntax
BUSY?
Related Commands
*OPC, *WAI
Returns
<NR1> = 0 means t he oscilloscope is n ot busy processing a command whose
execution time is extensive.
<NR1> = 1 means the oscilloscope is busy processing a command whose execu
tion
time is extensive. (See Table 3-3 on page 3-7.)
Examples
BUSY? might return :BUSY 1 indicating that the oscilloscope is now busy.
*CAL? (Query Only)
Performs an internal self-calibration and returns its status. This is equivalent to
selecting the Do Self Cal option in the Utility menu. Although *CAL? is a query
command, it does perform an action.
NOTE. The s
elf-calibration can take several minutes to complete. During this
time, the oscilloscope does not execute any commands.
Disconn
ect all signals from the oscilloscope before performing an internal
self-calibration.
Group
Calibration a nd Diagnostic
2-40 TDS200, TDS1000/2000, TDS1000B/2000B, TDS2000C, TPS2000 Programmer