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FRONT PANEL CONTROLS AND SWITCHES
This transceiver has been specifically designed for
grade transceiver
performance:
Therefore, be
ease of operation. However, the operator may not
certain that you understand the function of every
be familiar with the function of some of the con-
control and switch before operating the FT-IO7M.
C
trols, and improper adjustment thereof may de-
( l ) FWDSET
This switch sets the SWR meter sensitivity level.
(2)
VOX-CAIN
This control selects MOX/PTT/VOX relay control,
as we11 as adjustment of the VOX (voice-operated
TX/RX switching) circuit. The PTT position pro-
vides push-tc-talk operation from a microphone
PTT switch or a footswitch. The MOX position
provides manual transmit; this switch must be
returned to the PTT position for receiver recovery.
-
(3) DRIVE
On CW, FSK, and AM, this control sets the carrier
level. On SSB, with the RF processor ON, this
control sets the drive level.
(4) MIC GAIN
' \
\
This control sets the
AM
and SSB microphone
amplifier gain level.
(5) POWER
This is the main power on/off switch for the
transceiver.
( 6 )
MIC
t
This eight-pin connector accepts the microphone
andio input, as we11 as the push-to-talk (PTT)
and scanning control lines.
This control vanes the noise blanker threshold
level.
(8)
PHONES
c
This is a standard twc-pin phone jack for output to
your headphones. The impedance is
4
ohms, and
the intemal speaker will be cut off when a plug is
inserted into this jack.
(9)
COMP
This control sets the compression level for the RF
speech processor.
(10) MODE
This switch selects the desired mode: LSB, USB,
CW-W, CW-N, FSK, and
AM.
When the optional
C
600 Hr or 350
Hz CW
filter is installed, the CW-W
position will use the two 8-pole SSB filters, while
the CW-N position will use the 6-pole
CW
filter and
the &pole SSB filter used for the variable band-
width feature.
1-4
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