Controls And Switches - Yaesu FT-227RB Instruction Manual

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CONTROLS & SWITCHES
- VW
The FT-227RB has been designed for ease of
modern computer technology. Be sure you
operation. However, the operator may not be
throughly understand the function of each control
familiar with some controls, since it utilizes
and indicator before operating the equipment.
(1) Vol inner control
The VOLUME control adjusts the receiver audio
output level and turns power off when rotated to
and extreme CCW position.
(2) SQL Outer control
The SQUELCH control adjusts the receiver squelch
threshold sensitivity.
(3) FUNCTION switch
This switch selects the transmit frequency. Positions
M l and M2 (SIMP) can be used for simplex oper-
ation. Positions Ml—M3 can be used for ±600 kHz
split, for repeater operation. M4 is used for pro-
gramming an auxiliary split of up to 4 MHz. Refer
to the section on operation for details.
(4) Channel Selector
Endless optical coupling selects 800 channels.
(5) DIAL Display
The digital display indicates the operating frequency.
(6) METER
The meter indicates the signal strength on receiver
and the relative power output on transmit.
(7) MIC receptacle
Four pin connector is used for microphone input
and push-to-talk relay actuation.
(8) MEMORY switch
When pressed, the frequency on the dial is
memorized, and the M lamp lights up. To release
the memorized frequency, press the switch a
second time.
(9) 5UP switch
The channel frequency shifts 5 kHz up, and the
5UP lamp lights up.