Microphone Connector - Yaesu FTdx5000 Series Operating Manual

Hf/50 mhz transceiver

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Technical supplement (282 pages)

Operating manual (148 pages)

Reference (20 pages)

Table of Contents

RONT

ANEL

[ POWER ] Switch

Press and hold in this switch for two seconds to turn

the transceiver on, after first setting the rear panel

[ MAIN POWER ] switch to the "I" position. Press

and hold in this switch for two seconds, similarly, to

turn the transceiver off. If the rear panel [ MAIN

POWER ] switch is set to the "O" position, the front

panel [ POWER ] switch will not function.

DVICE

ˆ If you press this switch briefly while the transceiver

is turned on, the transceiver's audio will be muted

for three seconds.

ˆ This is the actual power On/Off switch for turning

on the transceiver. When the rear panel [ MAIN

POWER ] switch is set to the "I" position, power

is supplied to the OCXO to stabilize the reference

oscillator, and the remainder of the transceiver is

set in a "stand-by" mode, awaiting the command

for the transceiver to switch on via the front panel

[ POWER ] switch. For further information on the

rear panel [ MAIN POWER ] switch, please see the

discussion on page ??.

CAT Indicator

This LED indicator will flash red when the transmit

and receive serial CAT command signals are being ex-

changed.

DVICE

You may disable the LED function (flashes in conjunc-

tion with CAT command) via Menu item "031 GEnE

CAT IND." See page ??? for details.

Page 16

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.

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 on

your hearing caused by audio "pops" 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 keying interface operation

via Menu item "054 A1A F-TYPE" (see page ???).

There is another jack with the same name on the rear

panel, and it may be configured independently for In-

ternal Keyer or pseudo-straight-key operation.

OTE

You cannot use a 2-contact plug in this jack (to do so

produces a constant "key down" condition).