GMDSS. Systems. Test 6

Automatic amplifier regulation is used for the following reasons:

Don't know
with weak incoming signals distortion is reduced
with varying incoming signals the variation in the out going signal is as small as possible
in absence of incoming signals the noise is reduced

The sound level of the telephone in the tele-microphone on the panel of e.g. an MF/HF radio-telephony installation is adjusted with:

the volume control
Don't know
is fixed by manufacturer
the sensitivity control

The sound level of the telephone in the tele-microphone is adjusted on the panel of i.g. an MF/HF radiotelephony installation with:

RF-Gain
AF-Gain
Don't know
can not be adjusted, this is set by the manufacturer

The display of a radiotelephone-installation shows the following selections: Transmitting mode: H3E Transmitting frequency: 2187,5 kHz The transmitting mode indicator is

Don't know
The
The radiotelephone-alarm signal must be transmitted now
The transmitting mode is not compatible with the chosen frequency

Review Answers

GMDSS. Systems. Test 6

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