ATR833 / P/N 833-(1xx)-(1xx)
Operation and Installation
With the
rotary knob, it is possible to configure the input sensitivity
of the preamplifier “MIC“ (01=insensitivity, 10=max. sensitivity), the so
adjusted microphone level is indicated below.
To correctly set the microphone level, it must be configured with a
running engine and speaking at a normal volume, while doing this the
microphone level should be set to approximately 2.00 (bar graph should
reach the middle of the scale)
With the
rotary knob, e.g. to configure another microphone, the
present settings are saved.
To save and to exit the menu press the
button.
2.8.5 Test Mode
The Test-Modus is used for testing purposes. It is activated in the MIC-
Settings menu (see 2.8.4). In order to reach the test mode from normal
operation:
press for 5 seconds
(MIC – setting turns on)
press shortly (“test“ appears)
press shortly, to leave the menu.
The test display will now appear:
Screen contents and meaning:
AGC:... receiver RF input level
VOX:... sum of the microphone input levels
Ext: ..... external audio input level
To exit test mode, restart the device.
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Dokument-Nr.: 01.1402.010.71e / Revision: 1.01
