Yaesu FT-897D, Руководство по эксплуатации

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Page 12 FT-897D O
PERATING
M
ANUAL
Liquid Crystal Display
The Liquid Crystal Display (LCD) provides indication
of the operating frequency and other aspects of trans-
ceiver status.
FUNC Keys
These three keys select many of the most important op-
erating features of the transceiver. When you press the
[
F
] key, then rotate the
MEM/VFO CH
knob, the cur-
rent function of that key will appear above each of the
[
A
], [
B
], and [
C
] keys (along the bottom of the LCD).
You may scroll the display through 17 rows of functions
available for use via the [
A
], [
B
], and [
C
] keys.
The available features are shown in page 14.
MIC
Jack
Connect the supplied MH-31
A8J
Hand Microphone to
this jack.
[
F
] Key
Press this key momentarily to enable the changing of the
function of the Multi Function keys ([
A
], [
B
], and [
C
])
by the MEM/VFO CH knob.
Press and hold this key for one second to activate the
“Menu” mode.
LOCK Key
Pressing this key locks the front panel keys so as to pre-
vent accidental frequency change. The
LOCK key it-
self, though, will never be disabled.
MAIN
DIAL
This is the main tuning dial for the transceiver. It is used
both for frequency tuning as well as “Menu” setting in
the transceiver.
AF Knob
The (inner) VOL knob adjusts the receiver audio vol-
ume level presented to the internal or external speaker.
Clockwise rotation increases the volume level.
SQL/RF Knob
In the USA version, this (outer) SQL/RF knob adjusts
the gain of the receiver’s RF and IF stages. Using Menu
Mode
No-080
[
SQL
/
RF GAIN
]
, this control may be
changed to function as a Squelch control, which may be
used to silence background noise when no signal is
present. In the other versions, its default setting is set to
“Squelch.”
CLAR/IF SHIFT Key
Pressing this key activates the Receiver Clarifier fea-
ture. When this feature is activated, the
CLAR knob is
used to set a tuning offset of up to ±9.99 kHz. The
transmitter’s frequency is not affected by the setting of
the Clarifier.
Press and hold this key for one second to activate the IF
Shift feature, which allows you to use the
MEM/VFO
CH knob to adjust the center frequency of the IF filter’s
passband response.
F
RONT
P
ANEL
C
ONTROL
& S
WITCHES
BATT-B
BATT-A
FAST
GND
PTT
MIC MIC GND
+5 V
UP
DOWN
PHONES Jack
This 1/4-inch, 3-contact jack accepts either monaural or
stereo headphones with 2- or 3-contact plugs. When a
plug is inserted, the loudspeaker is disabled. The audio
level varies according to the setting of the front panel’s
AF knob.
POWER
Switch
Press and hold in the
POWER
switch for one second to
turn to the transceiver on or off.
While the transceiver is turned on, pressing this switch
momentarily will engage the “Fast Tuning” mode, to al-
low more rapid frequency navigation (a small “running
man” icon will be observed in the bottom right-hand
corner of the LCD).