Yaesu Musen 20581X50 HF/50 MHz Transceiver User Manual FTDX1200 Operating Manual

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Document ID	1935406
Application ID	NFBwI8E8brPmJ6ieZezQ7w==
Document Description	Users Manual 5
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	214.22kB (2677691 bits)
Date Submitted	2013-04-09 00:00:00
Date Available	2013-05-13 00:00:00
Creation Date	2017-10-27 22:06:24
Producing Software	GPL Ghostscript 9.18
Document Lastmod	2017-10-27 22:06:24
Document Title	FTDX1200 Operating Manual
Document Creator	Adobe InDesign CS6 (Windows)
Document Author:	YAESU MUSEN CO., LTD.

INTERFERENCE REJECTION
NARROW (NAR) ONE-TOUCH IF FILTER SELECTION
3UHVVLQJWKH [NAR]EXWWRQSURYLGHVRQHWRXFKPRGHVSHFLÂżFVHOHFWLRQRIDQDUURZ,)'63ÂżOWHUVHWWLQJWKDWGRHVQRW
UHTXLUHUHVHWWLQJWKH[WIDTH] knob.
3UHVVLQJWKH [NAR] button once more returns the bandZLGWKFRQWUROWRWKH:,7'+6+,)7V\VWHP7KHIDFWRU\
GHIDXOWEDQGZLGWKVDUH
OPERATING MODE
SSB
CW
RTTY/DATA
AM
FM (28/50 MHz Bands)
[NAR] SWITCH
“ON”
“OFF”
200 Hz ~ 1.8 kHzÚ
1.8 ~ 4.0 kHzÚ
(1.8 kHz)
(2.4 kHz)
50 ~ 500 HzÚ
500 Hz ~ 2.4 kHzÚ
(500 Hz)
(2.4 kHz)
50 ~ 500 HzÚ
500 Hz ~ 2.4 kHzÚ
(500 Hz)
(2.4 kHz)
6 kHz
6 kHz
9 kHz
9 kHz
[NAR] Button
Ú: Depends on the [WIDTH] knob
( ): Default Bandwidth
ADVICE:
ˆ :KHQWKHQDUURZEDQGZLGWKLVVHOHFWHGWKH³NAR´
icon will appear in the display.
ˆ If the [ NAR ] button has been pressed to engage
WKHQDUURZÂżOWHU\RXPD\VWLOODGMXVWWKHQDUURZ,)
bandwidth by rotating the [WIDTH] knob. The IF
6+,)7 LV DOVR RSHUDWLRQDO )RU PDQ\ DSSOLFDWLRQV
\RXPD\ÂżQGWKDWVLPSO\SUHVVLQJWKH [NAR] button
instead of adjustment of the [WIDTH]NQREPD\EH
satisfactory for interference reduction.
ˆ When you press the [NAR]EXWWRQLQWKH)0PRGH
both transmit and receive bandwidths are narrowed.
Page 54
WIDTH INDICATOR
FT DX 1200 OPERATING MANUAL
INTERFERENCE REJECTION
IF NOTCH FILTER OPERATION (SSB/CW/RTTY/DATA/AM MODES)
7KH,)127&+ÂżOWHULVDKLJKO\HIIHFWLYHV\VWHPWKDWDOORZV\RXWRVOLFHRXWDQLQWHUIHULQJEHDWQRWHRURWKHUFDUULHU
signal from inside the receiver passband.
 3UHVV WKH [ NOTCH ] EXWWRQ WR DFWLYDWH WKH 1RWFK
ILOWHU 7KH '63 JUDSKLF GLVSOD\ ZLOO LOOXPLQDWH DQG
WKHFXUUHQW³QXOO´SRVLWLRQRIWKH127&+¿OWHUZLOO
DSSHDULQWKH127&+LQGLFDWRURQWKHGLVSOD\7KH
[NOTCH] NQRE IXQFWLRQV DV WKH 1RWFK DGMXVWPHQW
knob.
 5RWDWHWKH [NOTCH]NQREWRDGMXVWWKH³QXOO´SRVL
WLRQRIWKH1RWFKÂżOWHU
ADVICE:
 7KHIUHTXHQF\GLVSOD\ZLOOVKRZWKH1RWFKIUHTXHQ
cy for 3 seconds whenever the [NOTCH] knob is
turned.
 7R FDQFHO WKH 127&+ ILOWHU SUHVV WKH [NOTCH]
button momentarily. The graphic disappears from the
127&+LQGLFDWRURQWKHGLVSOD\FRQÂżUPLQJWKDWWKH
127&+ÂżOWHULVQRORQJHULQRSHUDWLRQ
ADVICE:
 $OWHUQDWH SUHVVHV RI WKH [ NOTCH ] EXWWRQ ZLOO
VZLWFKWKH127&+ÂżOWHUEHWZHHQRQDQGRII
[NOTCH] Button
WIDTH INDICATOR
7KHSHUIRUPDQFHRIWKH,)127&+ÂżOWHULVLOOXV
WUDWHGLQ)LJXUH³A´ZKHUHWKHHIIHFWRIURWDWLRQ
of the [NOTCH]NQRELVGHSLFWHG,Q)LJXUH³B´
\RXFDQVHHWKHQRWFKLQJHIIHFWRIWKH,)127&+
ÂżOWHUDV\RXURWDWHWKH [NOTCH] knob to eliminate the interfering heterodyne.
Desired Signal
QRM
(Heterodyne)
IF BANDWIDTH
Desired Signal
QRM
(Heterodyne)
IF BANDWIDTH
NOTCH
FT DX 1200 OPERATING MANUAL
Page 55
INTERFERENCE REJECTION
DIGITAL NOTCH FILTER (DNF) OPERATION
7KH'LJLWDO127&+)LOWHU '1) LVDQHIIHFWLYHEHDWFDQFHOLQJÂżOWHUWKDWFDQQXOORXWDQXPEHURILQWHUIHULQJEHDWQRWHV
LQVLGHWKHUHFHLYHUSDVVEDQG%HFDXVHWKLVLVDQ$XWR1RWFKIHDWXUHWKHUHLVQRDGMXVWPHQWNQREDVVRFLDWHGZLWKWKLVÂżO
ter.
ADVICE:
,IDYHU\VWURQJLQWHUIHULQJFDUULHULVHQFRXQWHUHGZHUHFRPPHQG\RXÂżUVWXVHWKH,)127&+ÂżOWHUDVLWLVWKHPRVWHI
fective notching tool in the receiver section.
 3UHVVWKH[S/T/W/X]EXWWRQWRVHOHFWWKH³DNF´
 3UHVV WKH [SELECT] EXWWRQ WR FKRRVH ³ON´ 7KH
³DNF´ZLOODSSHDULQWKHGLVSOD\
[SELECT] button
7R GLVDEOH WKH 'LJLWDO 127&+ )LOWHU MXVW UHSHDW WKH
DERYH SURFHGXUH SUHVVLQJ WKH [ SELECT ] button to
FKRRVH³OFF´LQVWHSDERYH7KH³DNF´ZLOOWXUQRII
FRQÂżUPLQJWKDWWKH'LJLWDO127&+)LOWHULVQRWDFWLYH
[S/T/W/X] button
DNF Indicator
DIGITAL NOISE REDUCTION (DNR) OPERATION
7KH'LJLWDO1RLVH5HGXFWLRQ '15 V\VWHPLVGHVLJQHGWRUHGXFHWKHOHYHORIUDQGRPQRLVHIRXQGRQWKH+)DQG
0+]EDQGVDQGLWLVHVSHFLDOO\HIIHFWLYHGXULQJ66%RSHUDWLRQ%\VHWWLQJWKH0HQXLWHP³109 DNR LEVEL´DQ\RI
GLIIHUHQWQRLVHUHGXFWLRQDOJRULWKPVFDQEHVHOHFWHGHDFKRIWKHVHDOJRULWKPVZDVFUHDWHGIRUGHDOLQJZLWKDGLIIHUHQW
QRLVHSURÂżOH
Source Exif Data: 
File Type                       : PDF
File Type Extension             : pdf
MIME Type                       : application/pdf
PDF Version                     : 1.6
Linearized                      : No
Encryption                      : Standard V4.4 (128-bit)
User Access                     : Print, Print high-res
Author                          : YAESU MUSEN CO., LTD.
Create Date                     : 2013:04:01 13:55:35+09:00
Modify Date                     : 2013:04:01 16:52:07+09:00
Subject                         : FCC / IC
Has XFA                         : No
XMP Toolkit                     : Adobe XMP Core 4.2.1-c043 52.372728, 2009/01/18-15:08:04
Metadata Date                   : 2013:04:01 16:52:07+09:00
Creator Tool                    : Adobe InDesign CS6 (Windows)
Format                          : application/pdf
Title                           : FTDX1200 Operating Manual
Description                     : FCC / IC
Creator                         : YAESU MUSEN CO., LTD.
Document ID                     : uuid:d5c74584-0767-4b9d-bee3-f59a5de6dc5a
Instance ID                     : uuid:b94f510c-0955-4758-aeca-cd7e2d30b372
Producer                        : Acrobat Distiller 10.1.5 (Windows)
Page Count                      : 10

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