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DMU-2000 DATA MANAGEMENT UNIT Page 41
TEMPERATURE / SWR INDICATION
USING THE MARKER ON THE SWR GRAPH
It is possible to read the measured SWR value by placing the marker onto the desired frequency (measurement test point)
of the SWR graph.
1. Press the
[
KEY2
(
MARKER
)]
key to turn the marker
function on; the marker cursor will be displayed.
2. Use the
[
KEY3
(
)]
and
[
KEY4
(
)]
keys to move
the marker line and select the desired frequency for
which you want to read the previously-measured SWR.
Advice: Please use an antenna with the SWR below 1.5:1.
If the SWR is over 1.5:1, the final protection circuit acti-
vates, and the RF output power may be reduced.
If the SWR is over 3.0 in the amateur band, there is a
possibility that the coaxial cable or the antenna itself (an-
tenna system) may have some problem. Please take the
necessary corrective action so as to ensure optimum, safe
performance in your station.
The antenna tuner in the radio can match the SWR be-
tween the transceiver and the antenna; however, keep in
mind that this is not affecting the SWR at the antenna
feedpoint itself. In cases of higher-than-desirable SWR,
we recommend corrective action be taken at the antenna
itself.
When you want to clear the measured SWR value at the
marker test point, press the
[
KEY2
(
MARKER
)]
key.
MANUAL
REFERENCE
[
KEY1
(
xxx
)]
[
KEY2
(
xxx
)]
[
KEY3
(
xxx
)]
[
KEY4
(
xxx
)]
[
KEY5
(
xxx
)]
[
KEY6
(
xxx
)]
[
KEY7
(
xxx
)]
[
KEY8
(
xxx
)]
FT-950
FTDX5000
[
1.8
(
1
)]
[
3.5
(
2
)]
[
7
(
3
)]
[
10
(
4
)]
[
14
(
5
)]
[
18
(
6
)]
[
21
(
7
)]
[
24.5
(
8
)]
FT-2000
FT-2000D
[
F1
(
CH-1
)]
[
F2
(
CH-2
)]
[
F3
(
CH-3
)]
[
F4
(
CH-4
)]
[
F5
(
MEM
)]
[
F6
(
DEC
)]
[
F7
(
P.BACK
)]
[
DISPLAY
]
43


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