Hardkey and Softkey Reference ESG Family Signal Generators
Utility
4-132 User’s Guide
Reset RS-232
Press this softkey to perform a clean-up on the RS-232 buffer which will
discard any unprocessed SCPI input received over RS-232 and places
the RS-232 connection in a mode which can detect the optional remote
interface. All other RS-232 communication parameters (such as baud
rate) are unaffected.
Softkey Location:
Utility > GPIB/RS-232 > Reset RS-232
Restore Default Signal Polarities (Option UN8)
This softkey in the Signal Polarity Setup menu is used to restore the
instrument’s default signal polarities
Softkey Location:
Utility > Instrument Adjustments > Signal Polarity Setup >
Restore Default Signal Polarities
Reverse Power Protection Normal 8648
Toggles the reverse power protection mode between the normal mode
for the signal generator and the 8648-compatible mode.
When you have selected
Normal and you trip the reverse power
protection circuit, a caution message is displayed and the front panel is
locked. Eliminate the source of the excess reverse power detected at the
RF OUTPUT connector. Then press the
Reset RPP softkey to continue
normal signal generator operation.
When you have selected
8648 and you trip the reverse power protection
circuit, a caution message is displayed and the front panel is locked.
However, any command sent over GPIB will reset the RPP circuit and
return you to normal signal generator operation. This mode is provided
for compatibility with systems that use the 8648. It is only available
when you have selected 8648A/B/C/D remote language. At all other
times reverse power protection is set to
Normal. Operate in this mode
with caution. Repeatedly tripping the RPP can cause damage to the
signal generator. It is still best to eliminate the source of the excess
reverse power and then reset the reverse power protection circuit by
pressing the
Reset RPP softkey.
The RPP reset mode is a persistent state; it is not affected by an
instrument preset or by a power cycle.
Softkey Location:
Utility > Power On/Preset >
Reverse Power Protection Normal 8648
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