Datavideo AM-100, Инструкция по эксплуатации

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A+V (Audio-Follow-Video)
The Audio Input Channel Selectors and Level pots are
the first stage in the audio signal path. Each channel
carries the audio associated with a video input
channel. When the A+V button is active, the audio
follows the video through a transition. This means that
when this LED is lit, only one channel of the Audio input section (CH1, CH2, CH3, CH4) can be
activated at a time. When the transition is a CUT, the audio will switch abruptly at the same time.
Try this: With the A+V button engaged or lit, select Channel 2 on the Main Source bus (of course,
you must have a valid video and audio source connected). Notice that CH2 is lit in the Audio Source
section. Now, select channel 1 on the Sub Source bus. Work the T-Bar to manually perform a
transition (if no specific transition is selected, the sources will dissolve) and watch Audio Input
Source channel change from CH2 to CH1, following the video.
When the A+V button is not engaged or off, you can manually select which of the 4 Audio input
channels will be applied to the Video bus at the Fader. In fact, you have to select one or more of
these channels, or there will be no audio present at the audio out connections.
The A+V button should be inactive while doing level settings at the beginning-of-session so that
you can select an input and adjust the initial level correctly.
Audio Inputs and Levels
Analogue audio comes into the AM-100 through the XLR connectors on the rear panel (see above
diagram). The AM-100 supports four XLR Balanced Audio Input channels.
There are two kinds of switches next to each XLR input under
AUDIO IN:
The LINE/MIC switch is used to set the audio as LINE in or MIC in. When LINE in is selected please
also set the 48V ON/OFF switch to OFF in order to prevent burn-out damage to the audio
circuit/Mic*.
The 48V ON/OFF switch is for Phantom power . If you want to use MIC in, please set the LINE/MIC
switch first, and then if using a Condenser microphone* turn ON the 48V ON/OFF switch. If you
wish to use a Dynamic microphone please turn OFF the
48V ON/OFF switch.
*NOTE: Always double check the manual for the microphone being used to see what advice it
gives regarding power as some Mics have internal batteries too.