Page 25
O
PERATING
M
ANUAL
CLASS-A
Button
This button changes the final amplifier operating
mode to
Class-A
. When operating the final amplifier
in the
Class-A
mode, the maximum output power will
be reduced to approximately 25 watts, and the LED
inside this button will glow red. Operating SSB in
Class-
A
yields an ultra-clean signal waveform.
FAST
Button
For fast tuning, press this button (the “
FAST
” icon
will appear), then rotate the main or sub tuning knobs
(or press the
UP
(
p
) or
DOWN
(
q
) button). The tuning
rate will increase ten times.
MAIN VFO-A
Tuning Knob
This large knob adjusts the operating frequency of
Main VFO-A (or a recalled memory). Default tuning
increments are 10 Hz (100 Hz in AM and FM modes).
When the [
FAST
] button has been pressed, the incre-
ments are 10x these sizes. See the table on page 38
for a listing of all available steps.
Shuttle Jog
and
VRF & IDBT
Buttons
The
Shuttle Jog
ring allows fine or rapid frequency
excursions with just a slight turn of your hand. Rotating
the ring slightly either to the left or the right tunes down-
ward or upward a few steps. The tuning rate increases
the farther the ring is rotated.
Pressing the [
VRF
] button on the left side of the
Shuttle Jog
activates the
VRF
(
V
ariable
RF
Front-end
Filter), which adds a narrow input preselector filter into
the RF receiver circuit on the 160-20 meter Amateur
bands. Its passband can be tuned by rotating the
VRF/
MEM CH
knob, located on the upper right corner of
the front panel, for maximum sensitivity and out-of-band
interference rejection.
Pressing the [
IDBT
] button on the right side of the
Shuttle Jog activates the
IDBT
(
I
nterlocked
D
igital
B
andwidth
T
racking) System, which matches the EDSP
(Bandwidth) filter characteristics to the settings of the
SHIFT
and
WIDTH
knobs. Thus, it is not necessary to
re-adjust the EDSP settings if you change the (IF)
WIDTH and/or SHIFT settings; the EDSP settings will
automatically follow those of the higher-frequency IF
passband.
LOCK
Button
This button toggles locking of the main tuning knob
to prevent accidental frequency changes. “
LOCK
” is
displayed in a red box below and to the left of the main
frequency display field when this command is active
(the tuning knob can still be turned, but it does noth-
ing). Press [
LOCK
] again to enable the tuning knob.
AF REV
Button
Pressing this reverses the main/sub receiver au-
dio adjusted using the
AF GAIN
knob and
SUB AF
knob. When activated, the LED inside this button glows
red.
DOWN(
q
) & UP(
p
)
Buttons
Pressing either of these buttons momentarily steps
the operating frequency down or up 100 kHz, respec-
tively. Pressing and holding the [
FAST
] button while
pressing one of these buttons steps the frequency down
or up 1 MHz. Continue holding either button for repeated
stepping.
MAIN VFO-A
[
RX & TX Switch-LED
]
These combination lamp-switches select and indi-
cate the transmit/receive status of the main tuning knob
and display. When the green “
RX
” lamp is lit, the
re-
ceiving
frequency is under control of the main knob
and display (either VFO-A or a recalled memory chan-
nel). When the red “
TX
” lamp is lit, the
transmitting
frequency is under control of the main knob and dis-
play. Thus, for “normal” (non-split) operation, both the
red and green lamps associated with the main tuning
knob will be illuminated.
VFO/MEM
Button
This button toggles main receiver operation be-
tween the memory channel and the main VFO-A. Ei-
ther “
VFO
,” “
MEM
,” or “
M TUNE
” will be displayed to
the left of the main frequency display field to indicate
the current selection. If a displayed memory has been
retuned, pressing this button returns the display to the
original memory contents, and pressing it again returns
operation to the Main VFO.
[
M
u
A
] Button
Pressing this button momentarily displays the con-
tents of the currently-selected memory channel for three
seconds. Holding this button for ½ second copies the
data from the currently selected memory to the Main
VFO-A, as two beeps sound. Previous data in the Main
VFO will be overwritten.
QMB
Buttons
[
RCL
] (Recall) - Recalls one of up to five Quick
Memory Bank memories for op-
eration.
[
STO
] (Store) - Pressing this copies operating pa-
rameters into consecutive QMB
Memories.
[
DUAL
] Button
This button activates dual-channel reception with
the main and sub receivers. When this function is ac-
tive, “
DUAL
” will be displayed in a box at the left edge
of the display.
F
RONT
P
ANEL
C
ONTROLS
Summary of Contents for MARK-V FT-100MP
Page 119: ......
