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Model Two & Model Two Lite - Operation Manual
52
To move the marker frequency, press the
UP
and
DOWN
arrow keys.
To change the scanning bandwidth, press
F2
(SPAN). The span cycles through 2.50M, 6.25M,
12.50M, 25.00M, 62.50M and PLAN_A-E (full span).
When a span other than full span (PLAN_A-E) is selected, the display shows the center frequency.
To change the center frequency, press
FCN
to place the keypad in its numeric function. Enter the
desired new center frequency and press
F1
(ENTER). If you enter an incorrect digit, do not press
F1
. Instead, press
F2
(BACK). You can exit the procedure by pressing
F3
(ESC) to return to the
original center frequency.
The Spectrum mode can be set to hold the maximum (peak) spectrum data for display. Each time
SPECT
is pressed, the Model Two switches between Live and Max modes.
MAX
appears in the
upper-right corner of the display when this mode is used. The Max hold data is retained as long as
the Model Two is on. To reset the Max hold data in Spectrum Mode, you must select
RESET MAX
HOLD
in the Measurements Setup menu.
TIP:
While in the Spectrum mode, you can use Fast Setup (press
SET
once) to go directly to
the Measurement Setup parameters, including Reset Max Hold.
You may wish to stop the scanning process so you can study the graph. In the Spectrum screen,
simply press
F1
(HOLD). The scan marker stops moving. To resume scanning, press
F1
(TRIG).
Other functions are available by using the
F3
key to change the function of softkeys
F1
and
F2
.
Press the
F3
key to change the function of softkeys
F1
and
F2
to Scale and Ref. Change the
display scale by pressing softkey
F1
(SCALE). Change the reference level by pressing softkey
F2
(REF) and using the
UP
and
DOWN
arrow keys to change the reference.
Press the
F3
key to change the function of softkeys
F1
and
F2
to Auto and
Δ
Mkr. To set the
reference level and the scale automatically, press
F1
(AUTO). The Model Two selects the optimal
scope for your system.