54
Model Three - Operation Manual
The Model Three also displays the marker (by channel or frequency) and
its video, audio, and V/A
Δ
levels along with the Low (starting) and High
(ending) frequencies.
When entering Scan mode, the marker is positioned on the last channel
used in Level mode. This makes it easy to quickly view a selected
channel within the channel plan.
To change the marker channel, press the
__
and
keys. You can also
press the
FCN
FCN
0
key and enter the channel (or frequency if selected), then
press the
F
1
F
1
key to move the marker to the desired location.
The marker may be changed from channel
number to frequency: Press the
SET
SET
7 STU
key once
for Fast Setup, select Marker, and press the
F
1
F
1
key to change the marker indication.
You can zoom in on the marker position by pressing the
SCAN
SCAN
5 MNO
key. The
Model Three supports five levels of magnification (1x, 2x, 3x, 4x, and 5x),
or scan of the full channel plan.
The minimum span (5x) shows 25 channels of data.
To return to the original zoom level, keep pressing the
SCAN
SCAN
5 MNO
key
to cycle
through the zoom magnifications.
You can stop the scanning process so you can study the graph without
losing the current data. In the Channel Scan screen, simply press the
F
2
(HOLD)
key. The scanning marker stops moving. To resume
scanning, press the
F
2
(TRIG)
key.
To set the reference level and the scale automatically, press the
F
1
F
1
(AUTO)
key. The Model Three selects the optimal scope for your system.
