Basic Operation Of Ssb Reception L; Operation Of Dsb Reception L - JRC NDR-91 Instruction Manual

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(3) Check of the connectors on the rear panel
Check that each connector and grounded wire on the rear iranel of the receiver are
surely connected.
(4) Connect the speaker or heaclphone to lspeaKf nl or IFHONES-I jack.
4 . 2 . 1
Basic Operation of SSB Reception
(l) Set the tAF GÀlN I knob to the position where the knob is turned clockwise by 4 or 5
graduations fiom the mininlum position.
(2) Set thr FQ@
switch to [Ac] in case of the AC power supply, or to E
in case
of the DC power supply.
(3) Press ttre lSSe-l button amons the ltvtôOf l switches.
(4) Set the desired receiving fiequency by using the IMHil knob, I-UPIDôW-NI switch and
FÙnel knob.
( 5 ) S e t t h e
t slow I
(6) After hearing the desired signal, turn the tAFGÀiNl
knob and set it for an optimum
sound volume.
(7) Adjust the B F O & C L A R I F I E R
knob so as to set the tone the most natural to hear.
knob to the maximum position and turn the AGC switch to
(8) When the received radio wave is not strongly affected by fading, turn the FF GAINI
knob slightly counterclockwise and IAF GAIN-l knob slightly clockwise so as to obtain
the best S/N of the reception voice.
4.2.2
Basic Operation of CW Reception (Morse Telegraph)
( I ) Set tn. [11tQA|Nl knob to 4 or 5 graduations.
(2) Press the ltw I button amons ilre lrvrooe I switches.
(3) Set the desired receiving frequency by using the lMHll knob, ttre IÙP/DOWN-I switch
utro lîulrtr I knob.
(4) Press ttre lo.s kHl button among th. M
switches.
(5) Set the FFGAINI
knob almost to the center position and the trGôl
switch to
desired signal, set the volume to the optimum level by adjusting the
B F O & C L A R I F I E R
knob, set the tone the most pleasant to hear.
(8) Adjurt Inf Gatwl nn6 [RF CÀitrtl so that S/N of the receiving signal will be the best.
(9) When the receiving wave is affected by fading or the strong wave and weak wave are
received reciprocally, set the tÀGC-l switch to I-SLôWI or |FÀST I and turn the
f RF GAINl knob slightly clockwise.
4.2.3
Operation of DSB Reception
(l) Press the IDSBI button amons I MODTI switches, and i6 kHtl button amons
B A N D W I D T H I s w i t c h e s .
(2) Set the l-RF GÂlNl knob to the maximum position and set the tAGC-l switch to
(3) Set the desired receiving frequency by using the f MHI
knob, IUF/DOWN lswitch and
(6) When hearing the
Erc4l$ knob
(7) BV adjusting the
k n o b .
- t 3 -

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