Page 17
F
T
DX
1200 O
PERATING
M
ANUAL
F
RONT
P
ANEL
C
ONTROLS
& S
WITCHES
PHONES
Jack
$LQFKFRQWDFWMDFNDFFHSWVHLWKHUPRQDXUDORU
VWHUHRKHDGSKRQHVZLWKRUFRQWDFWSOXJV:KHQ
DSOXJLVLQVHUWHGWKHORXGVSHDNHULVGLVDEOHG
N
OTE
:
:KHQZHDULQJKHDGSKRQHVZHUHFRPPHQGWKDW\RX
WXUQWKH$)*DLQOHYHOVGRZQWRWKHLUORZHVWVHWWLQJV
EHIRUHWXUQLQJSRZHURQWRPLQLPL]HWKHLPSDFWRQ
\RXUKHDULQJFDXVHGE\DXGLR³SRSV´GXULQJVZLWFK
on.
MIC
Jack
This 8-pin jack accepts input from a microphone uti-
OL]LQJDWUDGLWLRQDO<$(68+)WUDQVFHLYHUSLQRXW
[
ANT
] Switch
3UHVVLQJWKLVVZLWFKVHOHFWVWKH
ANT 1
or the
ANT
2
FRQQHFWRU RQ WKH UHDU SDQHO DQG DOORZV FRQYH
-
nient antenna switching at the press of a button. The
VHOHFWHGDQWHQQDMDFNLVLQGLFDWHGRQWKH%ORFN'LD
-
JUDP'LVSOD\VK
RZQLQWKH7UDQVFHLYHU'LVSOD\
A
DVICE
:
7KH$17 MDFN HQDEOHV WR XVH DV DQ DQWHQQD IRU
UHFHSWLRQRQO\XVLQJWKH0HQXLWHP³
032 ANT2 SET-
TING
´6HHSDJH
[
IPO
] (
I
NTERCEPT
P
OINT
O
PTIMIZATION
) Switch
This button may be used to se
t the optimum front
end characteristics of the receiver circuit for a very
VWURQJ VLJQDO HQYLURQPHQW$YDLODEOH VHOHFWLRQV DUH
$03 ORZ GLVWRUWLRQ DPSOLILHU$03 VWDJH
ORZGLVWRUWLRQ 5) DPSOLILHU RU ,32 E\SDVVHV WKH
IURQW HQG 5) DPSOLILHU7KH VHOHFWHG UHFHLYHU 5)
DPSOLILHU DSSHDUV LQ WKH ,32 FROXPQ RI WKH %ORFN
'LDJUDP'LVSOD\RQWKHGLVSOD\
[
ATT
] Switch
7KLVEXWWRQVHOHFWVWKHGHJUHHRIDWWHQXDWLRQLIDQ\
to be applied to the receiver input.
$YDLODEOHVHOHFWLRQVDUH±G%±G%±G%RU
2))7KH DWWHQXDWLRQ OHYHO DSSHDUV LQ WKH$77 FRO
-
XPQRIWKH%ORFN'LDJUDP'LVSOD\RQWKHGLVSOD\
A
DVICE
:
7KH$WWHQXDWRUPD\EHXVHGLQFRQMXQFWLRQZLWKWKH
[
IPO
] button to provide two stages of signal reduc-
tion when an extremely strong signal is being re-
ceived.
[
R.FLT
] (
R
OOFING
F
ILTER
) Switch
7KLVEXWWRQVHOHFWVWKHEDQGZLGWKRIWKHUHFHLYHU¿UVW
,) 5RR¿QJ )LOWHU$YDLODEOH VHOHFWLRQV DUH N+]
N+]N+]RU$XWR
7KHVHOHFWHGEDQGZLGWKDSSHDUVLQWKH5)/7FROXPQ
RIWKH%ORFN'LDJUDP'LVSOD\RQWKH7)7GLVSOD\
A
DVICE
:
7KH³$872´VHOHFWLRQPRGHVHOHFWVWKHRSWLPXP
EDQGZLGWKRIWKH5RR¿QJ¿OWHUIRUWKHUHFHSWLRQ
PRGH ,Q WKLV FDVH WKH VHOHFWHG EDQGZLGWK LQ
WKH 5)/7 FROXPQ RI WKH %ORFN 'LDJUDP 'LV
-
SOD\JORZV\HOORZ7KHXQVHOHFWHGFKRLFHVJORZ
Blue).
%HFDXVH WKH URRILQJ ILOWHU LV LQ WKH ILUVW ,) WKH
SURWHFWLRQLWSURYLGHVDJDLQVWLQWHUIHUHQFHLVTXLWH
VLJQL¿FDQW:KHQVHWWR$87266%&:577<
DQG '$7$ WKH EDQGZLGWK LV N+] ZKLOH$0
DQG)0LVN+]
[
NB
] Switch
7KLVEXWWRQWXUQVWKH,)1RLVH%ODQNHURQDQGRII
3UHVVWKLVEXWWRQPRPHQWDULO\WRUHGXFHVKRUWGXUD
-
tion pulse noise.
$YDLODEOHVHOHFWLRQVDUH212))RU1%:217KH
DWWHQXDWLRQ OHYHO DSSHDUV LQ WKH$77 FROXPQ RI WKH
%ORFN'LDJUDP'LVSOD\RQWKHGLVSOD\
[
AGC
] Switch
7KLV EXWWRQ VHOHFWV WKH$*& FKDUDFWHULVWLFV IRU WKH
UHFHLYHU$YDLODEOHVHOHFWLRQVDUH)$670,'6/2:
DQG 2)) RU$8
727KH VHOHFWHG$*& FKDUDFWHULV
-
WLFVDSSHDULQWKH$*&FROXPQRIWKH%ORFN'LDJUDP
'LVSOD\RQWKH7)7GLVSOD\
3UHVVWKH
[
AGC
] button repe
atedly to select the de-
VLUHGUHFHLYHUUHFRYHU\WLPHFRQVWDQW3UHVVDQGKROG
in the [
AGC
] button for one second to disable the
$*&IRUWHVWLQJRUZHDNVLJQDOUHFHSWLRQ
A
D
VICE
:
7KH³$872´VHOHFWLRQPRGHVHOHFWVWKHFKDUDF
-
WHULVWLFVRIWKH$*&IRUWKHUHFHSWLRQPRGH7KH
VHOHFWHG$*& FKDUDFWHULVWLFV ZLOO JORZ JUHHQ LQ
WKH$*&FROXPQRIWKH%ORFN'LDJUDP'LVSOD\
XQVHOHFWHGFKDUDFWHULVWLFVJORZ%OXH
7KH$WWHQXDWRUPD\EHXVHGLQFRQMXQFWLRQZLWK
the [
IPO
] button to provide two stages of signal
reduction when an extremely strong signal is be-
ing received.
,IWKH$*&UHFHLYHUUHFRYHU\WLPHLVVHWWR³2II´
by pressing and holding in the [
AGC
]
EXWWRQWKH
6PHWHUZLOOQRORQJHUGHÀHFW$GGLWLRQDOO\\RX
will likely encounter distortion on stronger sig-
QDOVDVWKH,)DPSOL¿HUVDQGWKHIROORZLQJVWDJHV
are probably being overloaded.
[
MOX
] Switch
3UHVVLQJWKLVEXWWRQHQJDJHVWKH3773XVKWR7DON
FLUFXLW WR DFWLYDWH WKH WUDQVPLWWHU WKH /(' LQVLGH
WKLV EXWWRQ ZLOO JORZ UHG DQG WKH ³
MOX
´ LFRQ ZLOO
DSSHDULQWKHGLVSOD\,WPXVWEHWXUQHGRIIWKHUHG
/('ZLOOEHRIIIRUUHFHSWLRQ7KLVEXWWRQUHSOLFDWHV
WKH DFWLRQ RI WKH 3XVK WR7DON 377 VZLWFK RQ WKH
microphone. When engaging the [
MOX
]
EXWWRQ RU
RWKHUZLVH FDXVLQJ D WUDQVPLVVLRQ WR EH VWDUWHG EH
FHUWDLQ\RXKDYHHLWKHUDQDQWHQQDRU2KPGXP
-
P\ORDGFRQQHFWHGWRWKHVHOHFWHG$QWHQQDMDFN
FCC ID: K6620581X50 / IC: 511B-20581X50
YAESU MUSEN CO., LTD.
