Programming with GPIB Commands 2-14 Configuration Commands
MG369xC GPIB PM PN: 10370-10374 Rev. F 2-39
2-14 Configuration Commands
Table 2-15 lists the configuration command mnemonic codes. These commands permit selection/setting of the
following system configuration items via the bus:
• A +5V or –5V level for the rear panel retrace and bandswitch blanking outputs
• Setting the frequency scaling reference multiplier value
• Normally-open or normally-closed contacts on the internal penlift relay
• RF on or RF off during frequency switching in CW, step sweep, and list sweep modes
• RF on or RF off during sweep retrace
• RF on or RF off at reset
• 40 dB or 0 dB of attenuation when RF is switched off in units with a step attenuator (Option 2)
The system configuration selections made with GPIB commands remain in effect when the instrument is
returned to local control.
Table 2-15. Configuration Commands
Mnemonic
Code Function
BPN Selects –5V for retrace and bandswitch blanking outputs.
BPP Selects +5V for retrace and bandswitch blanking outputs.
EBW0 Selects the external reference loop bandwidth of 10 Hz.
EBW1 Selects the external reference loop bandwidth of 30 Hz.
EBW2 Selects the external reference loop bandwidth of 100 Hz.
EBW3 Selects the external reference loop bandwidth of 300 Hz.
FRS Opens the frequency scaling reference multiplier parameter.
PPC Selects normally-closed contacts on the internal penlift relay.
PPO Selects normally-open contacts on the internal penlift relay.
RC0 Selects RF to be off during frequency switching in CW, step sweep, and list sweep modes.
RC1 Selects RF to be on during frequency switching in CW, step sweep, and list sweep modes.
RO0 Selects RF to be on at reset.
RO1 Selects RF to be off at reset.
RT0 Selects RF to be off during retrace.
RT1 Selects RF to be on during retrace.
TR0 Sets 0 dB of attenuation when RF is switched off.
TR1 Sets 40 dB of attenuation when RF is switched off.
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