Yaesu FT-2000D, Руководство по эксплуатации

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Page 21 FT-2000D O
PERATING
M
ANUAL
F
RONT
P
ANEL
C
ONTROLS
& S
WITCHES
SUB SQL Knob
This knob sets the signal level threshold at which Sub
(VFO-B) receiver audio is muted, in all modes. It is
very useful during local rag-chews, to eliminate noise
between incoming transmissions. This control is nor-
mally kept fully counter-clockwise (off), except when
scanning and during FM operation.
SUB AF GAIN SUB RF GAIN
AF GAIN Knob
The inner [ SUB AF GAIN
] knob sets the Sub (VFO-
B) receiver’s audio volume level. Typically, you will
operate with this control set between the 9 o’clock and
10 o’clock positions.
RF GAIN Knob
The outer [ SUB RF GAIN
] knob is the Sub (VFO-B)
receiver’s RF gain control, which adjusts the gain of
the Sub (VFO-B) receiver’s RF and IF amplifier stages.
This control is normally left in the fully clockwise po-
sition.
AF GAIN RF GAIN Knobs
AF GAIN Knob
The inner [ AF GAIN
] knob sets the Main (VFO-A)
receiver’s audio volume level. Typically, you will op-
erate with this control set between the 9 o’clock and
10 o’clock positions.
RF GAIN Knob
The outer [ RF GAIN
] knob is the Main (VFO-A)
receiver’s RF gain control, which adjusts the gain of
the Main (VFO-A) receiver’s RF and IF amplifier
stages. This control is normally left in the fully clock-
wise position.
F1 - F7 / DISPLAY Keys
These keys can be used to control the Voice Memory
capability for the SSB/AM/FM modes, and the Con-
test Keyer for the CW mode. You can also play back
up to 15 seconds of incoming received audio, as well,
for verification of a missed callsign or other purposes.
When the optional
DMU-2000 Data Management Unit
is connected, you can also use the “Function” keys for
the various functions associated with each “page” of
the external display’s capability.
[
F1
(
CH 1
)]
-
[
F4
(
CH 4
)]
key
In the case of Voice Memory, up to 20 seconds of au-
dio may be stored on each channel. For CW messages,
up to 50 characters (“PARIS” specification) may be
stored into each channel. See page 76 (Voice Memory)
or page 88 (Contest Keyer) for details.
[
F5
(
MEM
)]
key
This key is pressed for the purpose of storing either a
Voice Memory or a Contest Keyer Memory channel’s
contents. See page 76 (Voice Memory) or page 88
(Contest Keyer) for details.
[
F6
(
DEC
)]
key
When utilizing the sequential contest number capability
of the Contest Keyer, press this key to decrement (back
up) the current Contest Number by one digit (i.e. to back
up from #198 to #197, etc.). See page 91 for details.
[
F7
(
P.BACK
)]
key
Press and hold in this button for 2 seconds to activate
the recording feature of the internal Digital Voice Re-
corder. The Voice Recorder allows you to record the
Main band (VFO-A) receiver audio for the most-re-
cent 15 seconds. While you’re recording the receiver
audio, the “
” icon will appear in the display.
Press this button momentarily to stop the recording,
then press this button momentarily again to play back
the receiver audio for the most-recent 15 seconds of
reception before you stopped the recording.
While playing back the receiver audio, the “
” icon
will appear in the display.
Press and hold in this button for 2 seconds again to
resume recording.
[
DISPLAY
]
key
Press and hold in this key for two seconds to cause the
[
F1
(
CH 1
)] - [
DISPLAY
] keys to act as “Function”
keys for the optional
DMU-2000
Data Management
Unit if connected.
MODE Switches
[
A
]
,
[
B
]
Switch
Pressing the [ A
] or [
B
] button will illuminate the re-
spective indicator imbedded within the switch, allow-
ing adjustment of the operating mode on the Main
(VFO-A) or Sub (VFO-B) band. Usually, the [
A
] but-
ton glow Red, signifying that the Main band (VFO-A)
is being adjusted. Similarly, pressing the [
B
] button
will cause its indicator to blink Orange for five sec-
onds, signifying Sub band (VFO-B) adjustment.
A
DVICE
:
When changing bands, confirm the [
A
] or [
B
] button
illumination status at first, then press the appropriate
[
BAND
] button, so as to change operating frequencies
on the proper (Main or Sub) band.
[
LSB
]
,
[
USB
]
,
[
CW
]
,
[
AM/FM
]
,
[
RTTY
]
,
[
PKT
]
Switch
Pressing the [ LSB
], [
USB
], [
CW
], [
AM/FM
],
[
RTTY
], or [
PKT
] button will select the operating
mode. Pressing the [ CW
], [
AM/FM
], [
RTTY
], or
[
PKT
] button multiple times will switch between the
alternate operating features that can be used on these
modes (covered later).
QMB
(
Quick Memory Bank
)
Switches
STO
(
Store
)
Button
Pressing this button copies operating information (fre-
quency, mode, bandwidth, and also repeater direction/
shift frequency and CTCSS functions on the FM mode)
into consecutive QMB Memories.
RCL
(
Recall
)
Button
Pressing this button recalls one of up to five Quick
Memory Bank memories for operation.