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On instruments with the High Voltage Option (option 002)instalied, the
[40 Vpp] key enables or disables the high voltage output. The 40 Vpp
indicator illuminates when the high voltage output is enabled. The high
voltage option increases the available output voltage range to a maximum
value of 40 Vpp (into a high impedance). Enabling the high voltage option
reduces the maximum output frequency for the sine and square waves to
1 MHz, and decreases the output impedance (see Main Signal output). The
output signal momentarily drops to zero volts when internal attenuator
settings change.
The rear-panel signal output is inactive (no internal signal connection) If the
HP 3325B has the high voltage output (option 002) installed. Instructions in the
Service Manual describe activation of the rear-panel signal output in one of two
ways:
1.
Disconnecting the front-panel signal output and placing the standard/high
voltage output on the rear panel only, or
2
.
Disabling the high voltage output and enabling the standard front/rear output.
If one of these modifications is required, arrange for the work to be done by
qualified service personnel.
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