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发表于 2012-5-20 00:04:04
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本帖最后由 dan3963101 于 2012-5-20 00:12 编辑
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英文电子说明书
% Z; z5 R/ N; J! F2 `) E. l[1] POWER Switches the unit on or off. The unit is ready to operate with the factory
3 G* U3 i! K4 T9 l+ `# D default settings. The subsequent settings remain stored in a Flash EPROM7 u1 b6 L/ f/ o0 O* F$ @
after switching the unit off (unit contains no battery).
0 f- f& @7 L7 m: K[2] Input dBu FS Rotary switch for coarse input sensitivity setting in 10 dB steps. OFF position3 d- o8 n; V, ^, m
between microphone and line sensitivity setting ranges.. ~# T" {9 {9 t$ Z
Mic: Range –40...+20 dBu
& R, l6 o" q" ?* v Line: Range +14 dBu, +24 dBu
5 c+ b- o* G& K) Z& V) x/ C[3] Fine Gain Potentiometer for fine input sensitivity setting.1 ~5 i' y0 J2 B+ t2 ~+ ^
Range of additional gain: 0...+15 dB.5 X* m2 [. e5 R6 ?9 C5 W1 N
Headroom: The input sensitivity setting is calibrated in dBu per full-scale. It represents
5 D5 @( d% O5 K0 D9 t) ~0 ?& t the dBu value of an analog input signal which causes a full-scale output of
6 z+ C0 A$ b9 s the A/D converter.! j1 z# W" j, b+ s* O! U0 }
Example: A studio works with +4 dBu nominal analog level and uses 12 dB headroom;
, O) F8 |9 D. j4 J the peak level is therefore +16 dBu. The “Input dBu FS” rotary3 H( b0 L- r- p4 r
switch [2] is set to +24 dBu (i.e. gain setting short by 8 dB), and the “Fine$ c% \: B9 n& j3 E* [ ]$ N) J
Gain” potentiometer [3] increases the gain by 8 dB.# X' U3 ~9 I" ^) n% Y8 V
[4]...[6] Valve Dignifier Operative only if the function VALVE [8] is active.4 ^3 l1 e8 Q) ], ?
[4] Bass Warmth The sound of low frequencies becomes rounder; bass has more depth; vocals$ ~- n/ t; N) `( A
have more body; percussive instruments are less aggressive.
) m5 q( @1 ]2 ?& L The group delay behaviour due to AC coupling of the stages is different in+ t/ h5 c. O' V& C* {; l
tube amplifiers.
' z. F+ @$ `/ l: d0 z4 W3 N The “Bass Warmth” control allows to select the frequency range7 r/ \% g" \' ?
(10...200 Hz) within which the effect is active.$ D& o3 l, C, C4 P
[5] Angel Zoom Adds transparency and clarity to vocals; emphasizes the solo instruments. q1 _- k% h/ C5 f; t. U
Valve amps have a characteristic response, mid-frequency harmonic content
4 Y% r# e2 `8 o( ^5 s. c1 ?: Y2 G is emphasized.
3 w9 i: R4 A9 I9 R, U/ b[6] Valve Drive Gain/Clip Tight, full sound; the sound will be harder/softer.* |/ A, Q$ l8 e- G2 H) i9 [
The harmonics spectrum of a delicately overloaded valve amplifier is completely8 |: x2 @) B, C2 ^! W# q
different from an overloaded transistor stage.7 t% C. ]* {2 L6 _9 y/ P9 D
The “Gain” control adjusts a gentle overload while the odd-harmonics content2 c2 c3 s S* B
can be adjusted with the “Clip” control.
5 ^9 {+ U9 N1 \2 J# ?[7] Line Out Output level setting, calibrated in dBu per full scale (dBu FS). Range: 4...24
6 @0 t2 c) g2 \ dBu FS.
; S6 n0 ]0 k6 k- G+ x[8] VALVE Toggle key for inserting the Valve Dignifier stage into the audio path of the8 c6 ], B9 T5 C+ C5 h( T- P
desired channel.
$ ^; e4 r% W. l2 p2 Y The “VALVE” LED is on when the Valve Dignifier stage is active.+ s% J* s8 _4 c% p; S
[9] INSERT INSERT function.
& H' B4 [/ @* X# ]: y First key pressure: INSERT POST VALVE, the Insert Send is tapped after* p0 d, P* g/ _+ Y5 M% k
the valve stage (display: “INS”); the Insert Return is directly fed to the Line
% R7 \0 S% q- t* D) K6 q6 t and AES/EBU outputs.
# d: `3 ~ B+ `/ E+ f Second key pressure: INSERT PRE VALVE, the Insert Send is tapped before; u W8 z+ u2 d. H( P; \" A( A4 T' T
the valve stage (display: “INS” and “PRE”); the Insert Return is fed via. ]1 k! c* u; x. g. E
the valve dignifier stage to the Line and AES/EBU outputs." x9 |% ]; h R* N# f, } h8 L
Third pressure: INSERT OFF, the input signal is fed via the valve dignifier
4 T2 v3 Y8 `7 J$ S stage (if active) to the Line and AES/EBU outputs (also the Insert Send output, \! j3 |2 g8 E5 _
receives this signal; display: none).
4 r$ U x+ |) }4 A Insert Send and Insert Return are electronically balanced and equipped with5 H5 m: ^- ]3 F+ @* i
XLR connectors.
+ {! x& D: m- p F1 G$ i4 [[10] ROUTING Selector for the channel routing when using one of the (optional) TDIF or+ |$ s$ c6 N) d0 o8 H9 r
ADAT digital interfaces. Each input channel can be switched to one of the! {; z3 B9 z- F! B, |2 m/ E
channels 1...8 of the multichannel interface. If desired, also a mono mix is8 A& I! p4 |4 j0 V" f
possible by selecting the same output channel for both input channels.
0 [# l5 U" u, k3 u5 B% b4 w[11] 48 V Toggle key to activate the 48 V phantom power supply for the desired microphone$ U! y% _3 m2 y! Y" j) c3 ?
channel.0 l; J* P _ b& q% J
Can be operated only if the input gain selector is in Mic position. The9 f$ M0 g" u3 O5 s( p& I) ]; z
setting remains stored when switching over to a line gain setting.7 K) q* F0 X, @7 f2 r* L% o
[12] Activates the high pass filter on the microphone inputs of the desired channel.
) p8 @" K, j. j Cut-off frequency (–3 dB point) 75 Hz, slope 12 dB/octave.
, W' E- U) l- M, k9 v& J Can be operated only if the input gain selector is in Mic position. The5 U* b6 N9 T0 u& j. u. j! w0 q2 [
setting remains stored when switching over to a line gain setting.$ [& d7 D: E8 ~0 H( J$ g$ r+ a
[13] Ø Toggle key to activate the phase reverse switch of the desired channel.
- x4 b! [+ e8 Q) C8 _4 w[14] MODE Toggle key to select the word length of the DIGITAL OUTput. 20 bit (display:! ]' e4 b; L% `/ m. O3 S% Z7 \" v
“20BIT”), 16 bit with dithering (display: “16DI”), or 16 bit with
! h. r4 k7 @7 l) X5 L: J ~ Noise Shaping (display: “16NS”) can be selected.
- v% z1 Q, Y/ U[15] SYNC Selects the synchronization source for the unit. Possible selections are:
3 ], h3 }* ~, Z* @4 V! ~ INT 48 Internal quartz reference, 48 kHz
+ H5 A; o+ b% ~3 N; P( q INT 44 Internal quartz reference, 44.1 kHz' w" E' Q, {% n, j
WCLK Selects external Word Clock Sync (flashes if no valid input signal is recognized)/ t$ ~9 N' Q3 U# x
AES Selects external AES/EBU Sync (flashes if no valid input signal is recognized)2 ], T! _8 B7 n& S& L! J2 [7 J' t
AUTO Selects sources automatically in the sequence AES-WCLK-INT+ o {% Z" h4 B9 f5 p8 C+ {
VAR Indication only, active if the external source frequency deviates from 48 or
& j+ A$ t* \; L# z; p" v 44.1 kHz for more than approx. ±3 %." w0 R: V# \; q3 D; H) y i
[16] PEAK HOLD Toggle key to select the PEAK HOLD function for the PPM level meters –6 j- ^ _. w4 g5 B3 J4 ~
either permanently (display: “HOLD”), or with automatic reset after approx. 2 s.
7 i1 P' w o4 n$ \8 s[17] SOFT CLIP Toggle key to activate the SOFT CLIP function in the analog paths to reduce B8 }( u d- c3 m7 x$ ?5 \
the danger of overloading the A/D converter with short signal peaks (if
! U1 u) x0 e8 u& [! p active, the display indicates “SOFT”). Threshold at 3 dB below full-scale,' P m) i7 g! C3 T* A& o& C
allowing for approx. 6 dB reserve before hard clipping occurs
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