DMU-2000 DATA MANAGEMENT UNITPage 38
ABOUT THE TEMPERATURE/SWR INDICATION
TEMPERATURE / SWR INDICATION
[
F2
(
MARKER
)]
Key
This key turns the marker on the SWR characteristic
graph on and off.
The marker lets you identify quickly the frequency
on which a particular SWR reading is being observed.
[
F3
(
)]
Key
This key moves the marker cursor to the left.
[
F4
(
)]
Key
This key moves the marker cursor to the right.
[
F5
(
ERASE
)]
Key
Press this key when you want to clear the measured
SWR at the marker’s current point.
[
F6
(
SWR CK
)]
Key
To check the SWR on a particular frequency, rotate
the Main Tuning Dial knob, and set the frequency to
be measured. Now press the
[
F6
(
SWR CK
)]
key; the
SWR will be measured and the result will be displayed
on the screen.
[
DISPLAY
]
Key
Press this key momentarily to switch the Function
key’s function between the “Page Select Key” and the
“Function Key.”
Press and hold in this key to disable the Function keys
(except this key).
It is possible to display the VDD (TX Final Amplifier)
voltage, bias voltage, the temperature of the heat sink of
the final devices, and the (swept) SWR characteristics/
performance of the antenna connected, all together on
the Display screen.
If the “Temperature/SWR” screen does not initially ap-
pear, press the
[
DISPLAY
]
key to switch the Function
key’s function to “Page Select Key,” then press the
[
F5
(
SWR
)]
key momentarily to display the “Tempera-
ture/SWR” screen. Next, press the
[
DISPLAY
]
key again
to switch the Function key’s function to the “Function
Key.”
E
XPLANATION
OF
THE
F
UNCTION
K
EYS
ON
THE
T
EMPERA TURE
/SWR I
NDICATION
S
CREEN
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