HELIX DSP.2 - Page 4

15
1
Line Input
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LV SRVVLEOH WR YDU\ WKH VHQVLWLYLW\ EHWZHHQ  DQG
9ROWV
2
Clipping LED
7KLV/('OLJKWVXSUHGLIRQHRIWKHVL[Line Inputs
or Highlevel InputsLVRYHUGULYHQ7KH/('KDVQR
IXQFWLRQLIWKHGHYLFHLVIHGZLWKGLJLWDOLQSXWVLJQDOV
,IWKLV/('OLJKWVXSUHGXFHWKHLQSXWVHQVLWLYLW\E\
using the control 3 (Input Sensitivity) until the LED
goes out.
3
Input Sensitivity
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RIWKHFRQQHFWHGVLJQDOVRXUFH7KLVLVQRWDYROXPH
control, it´s only for adjusting the signal processors
gain. The control range of the RCA / Line Input is
9ROWVDQG9ROWVIRUWKHHighlevel Input.
Attention: It is mandatory to properly adapt the in-
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RUGHUWRDYRLGGDPDJHWRWKHVLJQDOSURFHVVRU
If the Highlevel Input is used in combination with a
VWDQGDUGFDUUDGLRZHUHFRPPHQGDQLQSXWVHQVLWLY-
LW\ RI URXJKO\ 9ROWV )RU WKLV SXUSRVH WXUQ WKH
FRQWUROIURP PD[&&: SRVLWLRQWR R¶FORFNSRVL-
tion.
4
Highlevel Input
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the signal processor directly to loudspeaker outputs
RI2(0DIWHUPDUNHWUDGLRVRU2(0DPSOL¿HUVWKDW
GRQRWKDYHDQ\SUHDPSOL¿HURXWSXWV,QSXWVHQVL-
WLYLW\LVIDFWRU\VHWWR9ROWVPD[LPXP&&:SR-
VLWLRQ,WLVSRVVLEOHWRYDU\WKHVHQVLWLYLW\EHWZHHQ
DQG9ROWVZLWKFRQWUROInput Sensitivity).
Attention: Solely use the pluggable screw-terminal
IRUWKHKLJKOHYHOFRQQHFWRUZKLFKLVLQFOXGHGLQGH-
OLYHU\ RU DQ RSWLRQDO DYDLODEOH FDEOH KDUQHVV IURP
the HELIX accessory assortment!
Important: It is strictly forbidden to use the High-
level Input DQG SUHDPSOL¿HU LQSXWV Line Input) at
WKHVDPHWLPH7KLVPD\FDXVHVHYHUHGDPDJHWR
WKHSUHDPSOL¿HURXWSXWVRI\RXUFDUUDGLR
5
Optical Input
Optical input in SPDIF format for connecting signal
sources with a digital audio output. The sampling
rate of this input must be between 12 and 96 kHz.
The input signal is automatically adapted to the in-
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this input, we recommend to use an optional remote
control.
Notice: This signal processor can only handle ste-
reo input signals and no Dolby-coded digital audio
stream.
6
Power Input
This input is used for connecting the signal pro-
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UHPRWHLQRXW,IWKHKLJKOHYHOORXGVSHDNHULQSXWV
are used the remote input can be left unconnected.
The remote output is used for turning on/off ampli-
¿HUVWKDWDUHFRQQHFWHGWRWKHLine Outputs of the
HELIX DSP.2. Connect this remote output to the
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WRDYRLGDQ\LQWHUIHULQJVLJQDOV7KHUHPRWHRXWSXW
LV DFWLYDWHG DXWRPDWLFDOO\ DV VRRQ DV WKH ERRWLQJ
process of the DSP is completed. Additionally this
RXWSXW ZLOO EH WXUQHG RII GXULQJ WKH ³3RZHU 6DYH
Mode” or a software update process.
Attention: Solely use the pluggable screw-terminal
ZKLFKLVLQFOXGHGLQGHOLYHU\
Important: Never use a different signal than the
remote output of the DSP to activate connected
DPSOL¿HUV
7
Ground lift switch
The ground of the HELIX DSP.2 signal inputs is gal-
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outputs. In many cars this setup is the best way to
DYRLGDOWHUQDWRUQRLVH1HYHUWKHOHVVWKHUHDUHXVH
cases where it will be necessary to directly con-
nect input and output ground or to tie both grounds
WRJHWKHU YLD D UHVLVWRU 7KHUHIRUH WKH Ground lift
switch has three positions:
- center position: input and output ground
separated.
- left position: input and output ground tied
together.
- right position: input and output ground
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Initial start-up and functions