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F
P
RONT
ANEL
POWER Switch
Press this switch in for two seconds to turn the trans-
ceiver on. Alternately, press this switch for two sec-
onds to turn the transceiver off. If the rear panel [ MAIN
POWER ] switch is set to the "O" (OFF) position, the
front panel [ POWER ] switch will not function.
A
:
DVICE
If you press this switch briefly while the transceiver
is turned on, the transceiver audio will be muted
for three seconds.
This is the actual power On/Off switch for turning
the transceiver on. In the MP version, when the rear
panel [ MAIN POWER ] switch is set to the "I"
(ON) position, power is supplied to the OCXO to
stabilize the reference oscillator. The remainder of
the transceiver is set in a "stand-by" mode. For fur-
ther information on the rear panel [ MAIN POWER ]
switch, please see the discussion on page 35.
CAT Indicator
This LED indicator will flash red when serial CAT com-
mand signals are being exchanged.
A
:
DVICE
You may disable the LED CAT command signal flash-
ing function, via Menu item "035 GENE CAT IND."
See page 124 for details.
Page 16
C
ONTROLS
& S
WITCHES
PHONES Jack
A 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. With ste-
reo headphones such as the optional YH-77STA, you
can monitor both VFO-A and VFO-B receiver chan-
nels at the same time during Dual Receive operation.
N
:
OTE
When wearing headphones, we recommend that you
turn the AF Gain levels down to their lowest settings
before turning power on, to minimize the impact of any
audio "pops" on your hearing during switch-on.
KEY Jack
This 1/4-inch, 3-contact jack accepts a CW key or keyer
paddles (for the built-in electronic keyer), or output
from an external electronic keyer. Pinout is shown on
page 15. Key up voltage is 5 V, and key down current
is 1 mA. This jack may be configured for keyer, "Bug,"
"straight key," or computer interface keying operation
via Menu item "057 A1A F-TYPE" (see page 126).
There is another KEY jack on the rear panel, and it
may be configured independently for Internal Keyer
or pseudo-straight-key operation.
N
:
OTE
You cannot use a 2-contact plug in this jack (to do
so produces a constant "key down" condition).
Microphone Connector
This 8-pin jack accepts input from a microphone uti-
lizing a traditional YAESU HF-transceiver pinout.
FT
5000 O
DX
M
PERATING
ANUAL
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