Helios Junior, User’s guide
02/2008
Set input
Set input
JP8
Mono
MPX
5.1.2.
Pre-emphasis
Depending on the pre-emphasis for the desired signal, the JP4 and JP5 jumpers should be positioned for
one of the following conditions:
¾
0: no pre-emphasis.
This setting is mandatory for Stereo
¾
50: 50µs pre-emphasis (default).
¾
75: 75µs pre-emphasis.
Pre-emphasis
Pre
emphasis
0
50
75
JP4
JP5
5.1.3.
Input range (MONO and MPX)
Depending on level at Mono/MPX input, the JP6 and JP7 jumpers must be positioned together for one of
the two following conditions:
The final setting is done with the potentiometer (MONO/MPX) located on the front panel.
¾
0: for a 0 dB input level range (-4 / +6 dB).
¾
12: for a 12 dB input level range (+/- 6 dB).
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