10
Front Panel Features
Following is a brief description of the Calibrator’s
front panel features.
Output Display (Left Side)
Shows output amplitude and frequency. The top
line shows the active output value in up to eight
digits, plus a polarity sign. The bottom line shows
output frequency in five digits. Annunciators below
the amplitude line on the output display indicate
the following active conditions:
OPERATE Lit when an output is active at the
binding posts or auxiliary amplifier.
STANDBY Lit when the Calibrator is in standby.
ADDR Lit when the Calibrator is addressed
over the IEEE-488 interface.
ØLCK Lit when the Calibrator output is
phase locked to a signal at the rear
panel PHASE LOCK connector.
ØSHF Lit when the Calibrator output has a
programmed phase difference with a
signal at the real panel VARIABLE
PHASE OUT connector.
u (Unsettled) Lights when the output is
changed, and remains lit until the
output settles to within specification.
Control Display (Right Side)
Shows data entries, UUT error adjustments,
softkey labels, and other prompts and messages.
Each softkey label identifies the functions of the
softkey that appears directly below it. All of the
softkey labels that appear on the display at once
are referred to as a menu. When you access the
function provided through the softkeys, you open
up other menus, containing new softkey labels.
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