HP8643 emulation mode
1GP71_0E 111 Rohde & Schwarz
While this is insignificant in pure remote-control operation, it can lead to
inconsistencies and undesirable effects or malfunctions when you use
both manual and remote control in this language emulation mode.
GPIB functions
The following table shows the GPIB functions, supported by the HP8643.
Status Function Function / Remark / Limitation
DCL Device clear.
GTL Goto local mode.
IFC Interface clear.
LLO Local lockout.
PPC Parallel-Poll configure.
PPU Parallel-Poll unconfigure.
REN Goto remote mode.
SDC Selective device clear.
SPD Serial-Poll disable.
SPE Serial Poll enable.
SRQ Request service.
Table 104: GPIB functions
Commands
The following table shows the commands, supported by the HP8643.
• Common
Status Command / Function / Remark / Limitation
*CAL?
Query the instruments calibration state.
*CLS
Clear the status register.
*ESE value
Set / Query the bits of the extended status enable register.
*ESR?
Query the bits of the extended status register.
*IDN?
Query the ID string.
*OPC
*OPC?
Wait / Query for completion of command.