Controls & Connections; Top Panel - Yaesu FT-23R MKII Operating Manual

Controls & Connectors
•
EAR Jack
This 2-conductor mini phone jack provides
audio output for an external earphone or the
optional speaker/microphone, while disabling
the internal loudspeaker.
‚
MIC Jack
This 2-contact micro-mini phone jack accepts
microphone input from a speaker/microphone,
or other external source, while disabling the
internal microphone.
ƒ
LOW Power Output Button
Keep this button depressed whenever low power is sufficient for communications.
Low power is 200 to 500 mW, depending on battery voltage.
„
DIAL Rotary Selector
This 20-position switch tunes the operating (or CTCSS tone) frequency or selects
memory channels, according to the function selected by front panel keys. This knob
duplicates the functions of the [ p ] and [ q ] keys for convenience.
...
VOL/OFF Contral
This control adjusts the volume of the receiver. Turn it fully counterclockwise (into the
click stop) position to turn the transceiver off.
†
SQL Control
This knob sets the threshold level at which received signals (or noise) open the squelch.
For prolonged battery life and squelch sensitivity, set this control just to the point
where noise is silenced (and the BUSY/TX indicator on the front panel is off) when
the channel is clear.
‡
ANTENNA Jack
This BNC jack accepts the supplied YHA-16 rubber flex antenna, or any other an-
tenna designed to provide 50-ohm impedance on the 2-meter band.
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T P
OP ANEL
FT-23R O M
PERATING
MKII
ANUAL