Timestamps
When the automatic timestamp reset feature is enabled, the timestamp is automatically reset when
the first measurement is made. This differs from the operation of an actual Model 2400, where the
timestamp is automatically reset when exiting the idle layer of the trigger model. This difference can
be observed when the Arm or Trigger layer event detectors are enabled.
Status word
While in Model 2400 emulation mode, the following bits of the status word are always set to zero (0):
• Bit 2 (Front/Rear)
• Bit 4 (OVP)
• Bit 10 (Auto-ohms)
• Bit 16 (Range Compliance)
• Bit 17 (Offset Compensation)
• Bit 18 (Contact check failure)
• Bit 23 (Pulse Mode)
Status model
While in Model 2400 emulation mode, the following bits in the status model are always set to 0 (not
supported):
Operation Condition Register:
• Bit 0 (Cal), bit 5 (Trig), bit 6 (Arm)
Measurement Condition Register:
• Bit 10 (CC), bit 13 (OVP)
Questionable Condition Register:
• Bit 14 (Warn)
Standard Event Status Register:
• Bit 2 (QYE)
Overrange
When running a sweep while in Model 2400 emulation mode, the instrument cannot source more than
the selected source range value.
Logarithmic sweep
While in Model 2400 emulation mode, when the start and stop points of a logarithmic sweep are not
of same polarity or one of them is a zero (0), the script generates a "900" error; a non-emulated
Model 2400 does not generate this error.
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