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Yaesu FTDX-3000 Manual

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Page 132 FT
DX
3000 OperaTing Manual
InstallatIon of optIonal accessorIes
RF µtUning Kit
The RF µTuning Kits provide ultra-sharp RF selectivity for the front end of the transceiver. Very high Q is made
possible by the narrow-band design. Three RF µTuning Kits are available. The MTU-160 covers the 1.8 MHz band. The
MTU-80/40 covers the 3.5 and 7 MHz bands. The MTU-30/20 covers 10.1 and 14 MHz bands.
The narrow bandwidth is especially useful on the low bands, when many strong signals are being received via NVIS
propagation (Near Vertical-Incidence Signals) within a narrow bandwidth. The added protection for the receiver RF
stages is especially helpful in preventing IMD and blocking.
DC IN
DC IN
ANT
ANT
GND
GND
µ-TUNE TO
µ-TUNE TO
µ-TUNE
FROM
µ-TUNE
FROM
RF Cable
(Supplied with RF µTUNING KIT)
RF Cable*RF Cable*
RF Cable*
RF Cable*RF Cable*
RF Cable (Supplied with RF µTUNING KIT)
CNTL Cable
(Supplied with RF µTUNING KIT)
*: Supplied with RF µTUNING KIT
CNTL Cable*CNTL Cable* CNTL Cable*
µ-TUNE
µ-TUNE
RF IN
RF IN
RF IN
RF IN
RF OUT
RF OUT
RF OUT
RF OUT
Multi Connection
Multi Connection
Installation
Assemble the RF µTuning Unit according to the “RF
µTuning Kit Installation Manual” supplied with the RF
µTuning Kit.
Interconnections to FT
DX
3000
Connect each cable (supplied with the RF µTuning
Kit) between the RF µTuning Unit and the
FT
DX
3000
Transceiver.
Advice
r
The RF connecting cables are color
coded (black and gray) to assist in
properly connecting the RF IN and
RF OUT jacks. (See illustration)
r
An improper connection will
not damage the RF µTuning Kit.
However, improper operation may
occur.
r
Connect the color-coded control
cable(s) between the CNTL
OUT and CNTL IN jacks
(see illustration). Confirm all
connections before turning on the
transceiver.
r
If the
FT
DX
3000
does not operate
and the frequency display blinks
sometimes, confirm and correct
the “CNTL IN” and “CNTL OUT”
connections on the RF µTuning
Unit.
r
The order of connecting multiple
RF µTuning Units is not important.
… 134 …


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  • Is the Yaesu FTDX3000 internally protected from supply over voltage, please? Submitted on 23-5-2021 at 01:56

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