Fine Key; Input - HP 54501A Operation Reference

Knob

FINE Key

Input

To the right of the number keys is a vertical column of keys witb
measurement units. The bottom row of keys contains a blue (Shift) key to
select alternate keys that are labelled in blue and a CLEAR key to clear
any selections made.
The knob is used to change values within each function. It increments,
decrements, or toggles the selection in the active field or function. The
current selection is displayed in fullbrigbt in tbe displayed menu area and
can be changed with the knob.
FINE
The key cbanges the increment and decrement sequence. Instead
of sequencing in the normal sequence, the values will change to
incrementldecrementin more precise values. This feature is useful when
is
the normal sequence
When the 5450lA is operating in the fme mode, the word
HP
displayed in the lower right corner of tbe CRT.
Tbe input section consists of connectors for signal input.
nominal 1 MU input impedance shunted by approximately 16 pF at the
input BNC. Eacb input has a maximum tolerance of 250
Channels 1 and are full range channels. Channels 2 and
4
optimized for digital uses with limited vertical ranges of 100 mY,
and 500 mY/division.
Use channels 1 and
4
acquisition. Channels
and 3 share.
too coarse for precision measurements or settings.
3 if you need continuous dual cbannel
or 2 and
1 and 2 share an acquisition AID and channels 2
is
fine
All
inputs have a
V.
3 have been
200
mY,
Front Panel lnteriace
3-9