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Operation and Reference
1. Power switch: in the standby (
6
) position, power is
6
.
applied to the oven (option 001), the HP-iB interface
circuits externa! to the isolation barrier, and the high
^
voltage output circuits (option
002
), in addition to the
power supply circuits.
g
2. Blue [Shift] key; Press the [Shift] key to access the
key function labeled in blue.
3. Sweep Linear/Log key group: These are entry prefix
keys for the sweep parameters, and the sweep start
keys. When preceded by the [Shift] key, the sweep
9
.
parameter keys control sweep modification functions
and ilnear/iog/discrete selection.
4. [Local] key: Returns HP 3325B from remote control
to front-panel control unless local lockout has been
programmed, When preceded by the [Shift] kev,
the HP 3325B HP-IB address is displayed.
10
5. Status Indicator group: The indicators show the
HP 3325B HP-IB status: Remote, Addressed to
Listen, Addressed to Talk, and Request Service
(SRQ).
Entry key group: These are the entry prefix keys for
the main and modulation source signal parameters.
Display: Displays the value of the entry parameter
selected, error codes, and self test results.
Data key group: This group includes the numeric
data keys, the data suffix keys, the [Store] and
[Recall] keys, and the entry [Clear] key. When
preceded by the [Shift] key, the keys In the left
column control the modulation functions.
Modify Group: The horizontal arrow keys select
the digit to modify (indicated by the flashing digit),
and the vertical arrow keys Increment or decrement
the digit. Preceding the up-arrow with the [Shift] key
selects the frequency step parameter for display
and modification.
Units Indicators: The indicators display the units of
the value represented by the numeric display.
1-2
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