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Adjusting the microphone sensitivity
The microphone sensitivity has been factory pre-set to
40 mV/Pa as per RTCA DO-214.
To change the input sensitivity of the microphone:
̈ Use a suitable slotted screwdriver.
̈ Turn the microphone sensitivity control ³ as shown.
Switching between mono and stereo mode
The mono/stereo switch ቫ allows you to switch between
mono and stereo mode, depending on the intercom system.
̈ Set the mono/stereo switch ቫ to the desired position:
–
k mono
–
kk stereo
³
ቫ
HMEC250_516578_0507_SP6.book Seite 12 Mittwoch, 13. Juni 2007 3:18 15