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This enables channel 4 and the screen now displays four separate grids as shown in
Figure
2-6.
-
-
Channel 4 is in the lower-right quadrant of the screen.
2 Sep 1998
14:is:
57
CHI
LOG
. 5
dB/
REF
-2
dB
CH2
LOG
10
dB/
REF -50
dB
-31
s21
PRnE
CA
CENTR 134.000
MHz
SPFIN
45.000 MHz
CH3
LOG 10
dB/
REF -50 dB
s12
rll
I
I
I I
I
I
I I
i
PRm
CENTR 134.000 MHz SPAN 45000
MHz
%
LoG
-
5
dB/
REF -3 dB
CENTR 134.000 MHz SPAN 45.000 MHz CENTR 134.000 MHz SPAN
45000
MHz
Figure 2-6.
4-Channel
Display
To
Activate and
Co&lgure
the Auxilkry Channels
This procedure continues from the previous procedure.
10. Press
(j-1
again.
DUAL CHAN
ON off
-
AUX CHAN
ON off
-
4
PARAM
DISPLAYS
SPLIT DISP
IX
2x
4x
-
CHANNEL
POSITION
RETURN
Observe that the amber LED adjacent to the
@iGTj
hardkey
is flashing. This indicates that
channel 4 is now active and can be configured.
........
11.
&-ess
w
...
:~~:~...;; ................................
.::.~~.~~~~~~~:~
~~~~~.,
.............................
..........
...................................................................
-.
Markers 1 and 2 appear on
all
four channel traces. Rotating the front panel control knob
moves marker 2 on
all
four channel traces. Note that the active function, in this case the
marker frequency, is the same color and in the same grid as the active channel (channel 4.)
12. Press
@GiJ.
Observe that the LED adjacent to
@GTj
is constantly lit, indicating channel 1 is active.
2-l 2 Making Measurements