ATR833A / P/N 833A-(xxx)-(1xx)
Operation and Installation
12
Dokument-Nr.: 01.1411.010.71e / Revision: 3.00
2.4.1 VOL - Volume
Can be reached by a long press of the
button, but is also
automatically chosen by the radio after 12 seconds of user
inactivity.
Adjusts the volume of received radio signals by turning the
knob. The higher the value, the louder the reception of radio signals.
ACT
123.450
SBY
118.910
VOL 03
2.4.2 SQL - Squelch
By short pressing the
key once, with the help of the
rotary
knob the squelch level can be adjusted.
This is a threshold that has to be exceeded by radio signal levels from
other senders, in order to activate the reception circuitry. The higher the
number, the stronger the radio signals have to be in order to be received.
ACT
123.450
SBY
118.910
SQL 07
The setting for the squelch depends on different factors. For motor
aircrafts an initial higher setting is typically appropriate, gliders may use
settings lower value. Lower numbers means higher input sensitivity. This
allows receptions of weaker signals (radio stations at higher distance),
but can also result in pickup of own-aircraft radio interference sources
(engine, strobe lights).
The VOL setting controls the volume of received radio
signals only.
It does neither control the volume of the intercom nor the
external audio input, for these use the INT and EXT settings.
Range: 01 - 16
Range: 01 - 10
