55
Model Three - Operation Manual
The Scale and Reference shown on the Channel Scan screen can also be
adjusted manually by pressing the
F
3
(DOWN)
keys so that the
functions of the
F
1
F
1
and
F
2
keys become Scale and Ref. Press the
F
1
F
1
(SCALE)
key to vary the graduation of the scale by 1, 2, 5, and 10 dB
per division. Press the
F
2
(REF)
key, then press the
__
and
keys
to increase or decrease the reference. Press the
F
3
(UP)
key to return
to the original soft key functions of Auto and Hold.
Display Limits
When Display Limits is set to Yes in the Scan Setup menu (see
Chapter 4: Setup, Measurement, Limit Setup
), the Channel Scan
display shows the limit lines for the specified Minimum Video level and
Maximum Video level.
While in the Channel Scan mode, you can use
Fast Setup (press the
SET
SET
7 STU
key once) to go
directly to the Scan Setup parameters,
including Marker type, Display Limits, and the
Edit Limits screen.
