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发表于 2012-5-21 23:23:18
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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
, F, o" c; j. ]* I P( r m[1] POWER Switches the unit on or off. The unit is ready to operate with the factory
4 |" I$ P) R! K: g, V) U) \- m default settings. The subsequent settings remain stored in a Flash EPROM& O$ D" ]( h& g& b, `3 {9 K
after switching the unit off (unit contains no battery).5 M* Z: o4 ^3 a6 f) ~! t
[2] Input dBu FS Rotary switch for coarse input sensitivity setting in 10 dB steps. OFF position
8 v7 ]! r0 ~8 E0 r; y between microphone and line sensitivity setting ranges.1 C% `9 K3 K/ X5 D: _
Mic: Range –40...+20 dBu
! U2 _0 S! h3 y4 V* x' _, ?* F Line: Range +14 dBu, +24 dBu
1 N; H; |+ \2 \) l' a, L[3] Fine Gain Potentiometer for fine input sensitivity setting.
" w0 K) ^3 ]2 m Range of additional gain: 0...+15 dB.
5 K0 _! R6 G! U1 @% U Headroom: The input sensitivity setting is calibrated in dBu per full-scale. It represents6 ?3 Q: k0 {9 j8 b
the dBu value of an analog input signal which causes a full-scale output of
+ ?, t; o! O! h the A/D converter.' D0 i/ f8 F8 g* L- W1 P
Example: A studio works with +4 dBu nominal analog level and uses 12 dB headroom;+ s' \3 ?- y+ \& w
the peak level is therefore +16 dBu. The “Input dBu FS” rotary( ]2 p- r# }1 }" r1 j9 {! V
switch [2] is set to +24 dBu (i.e. gain setting short by 8 dB), and the “Fine' N1 c$ B" d+ L7 K& X k1 n
Gain” potentiometer [3] increases the gain by 8 dB.: U) N# {2 e ], q0 c
[4]...[6] Valve Dignifier Operative only if the function VALVE [8] is active.; f8 ?" G( y2 p1 Y' u
[4] Bass Warmth The sound of low frequencies becomes rounder; bass has more depth; vocals
T6 X% Z7 ^4 a$ ~) Q" K* { have more body; percussive instruments are less aggressive.; `% k. x! A2 B# U9 }4 n
The group delay behaviour due to AC coupling of the stages is different in- E! d1 g5 ]; o }' X
tube amplifiers., j* K5 G9 m4 z
The “Bass Warmth” control allows to select the frequency range+ A8 W' F3 q0 w: l7 Q3 l: v
(10...200 Hz) within which the effect is active.% B; S) O' x% \8 x
[5] Angel Zoom Adds transparency and clarity to vocals; emphasizes the solo instruments.% b9 S, N' c: S7 \) I" h+ [' k
Valve amps have a characteristic response, mid-frequency harmonic content
8 T0 ~: p6 P$ I3 x' S3 j is emphasized.% {& t0 ^, P4 [) i3 [/ a' _* C- Y
[6] Valve Drive Gain/Clip Tight, full sound; the sound will be harder/softer./ D8 g6 Z8 G3 Y/ e" g
The harmonics spectrum of a delicately overloaded valve amplifier is completely( N0 N; h J W8 E9 v9 N* Z. ]
different from an overloaded transistor stage.8 ^' W2 m2 g. ^
The “Gain” control adjusts a gentle overload while the odd-harmonics content
- ]1 s& e; m+ c1 Z/ ^ can be adjusted with the “Clip” control.
0 z0 ~8 D" u5 i0 l3 C. O! C[7] Line Out Output level setting, calibrated in dBu per full scale (dBu FS). Range: 4...24
/ Z4 |6 p) Z# L) J/ q( r# S, k dBu FS.
; V5 C2 @' l+ F! a1 L( Z[8] VALVE Toggle key for inserting the Valve Dignifier stage into the audio path of the
0 E4 W* C' {- l4 ^# r desired channel.
, Y/ K+ W9 L; Q: ~2 h4 N2 u( y The “VALVE” LED is on when the Valve Dignifier stage is active.. h- J, x+ a0 u a
[9] INSERT INSERT function.
" b2 X9 k% Q8 D5 u M4 Z First key pressure: INSERT POST VALVE, the Insert Send is tapped after
2 T: }, s- `3 U! M% ^, | the valve stage (display: “INS”); the Insert Return is directly fed to the Line9 b D* r: W+ a
and AES/EBU outputs.7 M) M/ q7 f% X) E2 R
Second key pressure: INSERT PRE VALVE, the Insert Send is tapped before* S+ ^* h8 D0 d* B
the valve stage (display: “INS” and “PRE”); the Insert Return is fed via
0 T# s$ f8 n# g9 M% q% J the valve dignifier stage to the Line and AES/EBU outputs.
! c% [7 h. _9 g% \5 L+ u. l6 G Third pressure: INSERT OFF, the input signal is fed via the valve dignifier5 L8 o: _, K5 G( W. Y: e
stage (if active) to the Line and AES/EBU outputs (also the Insert Send output( ^- B8 _+ x. H5 g+ J8 w, [
receives this signal; display: none).
& y5 k2 \$ k* Y2 q% g2 m( ` Insert Send and Insert Return are electronically balanced and equipped with
& f: a5 W6 p1 |% g% W: T# | XLR connectors.
6 _5 p; ` ~. X5 o5 X[10] ROUTING Selector for the channel routing when using one of the (optional) TDIF or
+ q& D9 M; T0 v* b$ r$ n ADAT digital interfaces. Each input channel can be switched to one of the
- g& }3 r: B( Q! g channels 1...8 of the multichannel interface. If desired, also a mono mix is
( J3 b- r( l2 o7 S8 r possible by selecting the same output channel for both input channels.
9 A. _) P) p/ V i% |5 x8 H; X. B[11] 48 V Toggle key to activate the 48 V phantom power supply for the desired microphone3 b, c/ n w i5 L- R
channel.2 a: C2 O5 `4 ~3 x% k- I3 }: e" g& z
Can be operated only if the input gain selector is in Mic position. The
' h" E6 w5 j1 c/ G5 s7 V. _) { setting remains stored when switching over to a line gain setting.. {* k. \; K8 x' l- r; a2 }: V! p5 b
[12] Activates the high pass filter on the microphone inputs of the desired channel.
/ R1 ]1 o8 a4 h7 i' d! t5 I Cut-off frequency (–3 dB point) 75 Hz, slope 12 dB/octave. h! D- O% _4 w3 Q
Can be operated only if the input gain selector is in Mic position. The
. j" n4 V, s( v# c- P% c1 Y setting remains stored when switching over to a line gain setting.4 A8 M$ ?" ^$ ]0 z) v
[13] Ø Toggle key to activate the phase reverse switch of the desired channel.
* P! |+ K1 ~ p) S9 u[14] MODE Toggle key to select the word length of the DIGITAL OUTput. 20 bit (display:; ~5 G3 N: |+ i+ [
“20BIT”), 16 bit with dithering (display: “16DI”), or 16 bit with0 @$ W" R0 R6 j2 t
Noise Shaping (display: “16NS”) can be selected.+ y) i$ H$ w: I7 h4 e+ S
[15] SYNC Selects the synchronization source for the unit. Possible selections are:
& P/ U- l: ^& _: \( r5 V, C p INT 48 Internal quartz reference, 48 kHz' L, Y( y! w; S: a- W/ y
INT 44 Internal quartz reference, 44.1 kHz
4 Q; \" }* @% ~3 |" i+ E. G WCLK Selects external Word Clock Sync (flashes if no valid input signal is recognized)
: S- E3 l, l t" ]- e AES Selects external AES/EBU Sync (flashes if no valid input signal is recognized)2 d5 k2 X3 T! S$ |. f* X
AUTO Selects sources automatically in the sequence AES-WCLK-INT6 n3 t! M l/ s8 B
VAR Indication only, active if the external source frequency deviates from 48 or
0 b& P6 F2 f! X" r! Z 44.1 kHz for more than approx. ±3 %.
1 f B, D6 x/ g/ }3 D[16] PEAK HOLD Toggle key to select the PEAK HOLD function for the PPM level meters –
; U* i9 _6 x- H5 i either permanently (display: “HOLD”), or with automatic reset after approx. 2 s.* k: Y" }1 a( s' w$ r V
[17] SOFT CLIP Toggle key to activate the SOFT CLIP function in the analog paths to reduce
. K6 T2 P5 f. x7 S% L7 O1 e the danger of overloading the A/D converter with short signal peaks (if
- \4 T' d2 r( O6 C( ?' T) V. w active, the display indicates “SOFT”). Threshold at 3 dB below full-scale,3 G9 b1 W$ b& ?9 k3 D
allowing for approx. 6 dB reserve before hard clipping occurs
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