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Module Setup
Figure 6. AUDIO LEVEL Switches SW4, SW5, and SW7
If a low audio input level causes the output audio signal to degrade, the input sensitivity of the
1)
S768DAV can be increased by switching to the 8 dBu maximum scale.
For systems running at -10 dBu, typical for VCRs and DVD players, switches SW4, SW5, and SW7
2)
should be set to 8 dB.
You can set the transmitter input to 8 dBu and the receiver output to 18 dBu to add 10 dB of gain to
3)
the system, however, this also increases system signal-to-noise ratio (S/N).
I
I
2.7
NPUT
MPEDANCE
The S768DAV units are shipped with the input impedance set at high impedance (high-Z). To select a
600Ω input impedance in place of the high-Z input, set switch SW6 on the audio/data card to 600. See
Figure 2 and Figure 7.
12
Figure 7. IMPEDANCE Switch SW6
S768DAV – S7768DAV User Manual
11-0768DAV-B/ December 2003
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