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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 ! S2 M0 ~2 a7 m9 ]* I! y
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2 B6 y) B& r% v6 t5 F @英文电子说明书
4 c* d, h- j9 N u[1] POWER Switches the unit on or off. The unit is ready to operate with the factory6 Y. j2 B( C# d+ w( G& J
default settings. The subsequent settings remain stored in a Flash EPROM
+ Q% w* V7 Y0 O after switching the unit off (unit contains no battery).
. r- J8 q0 a7 g7 a8 I9 G[2] Input dBu FS Rotary switch for coarse input sensitivity setting in 10 dB steps. OFF position7 i0 I" F/ x& M0 ~. U
between microphone and line sensitivity setting ranges.. N8 \, H' @% h$ X0 M0 o
Mic: Range –40...+20 dBu
6 t2 ], r* C2 x, B. o, J Line: Range +14 dBu, +24 dBu
4 N, \2 A; P3 ~: I- m[3] Fine Gain Potentiometer for fine input sensitivity setting.
, ]% H. }5 ~. p/ s Range of additional gain: 0...+15 dB.
/ r; E% r; U6 n& P" T x Headroom: The input sensitivity setting is calibrated in dBu per full-scale. It represents
/ r- w- s3 c! F3 n( X5 a the dBu value of an analog input signal which causes a full-scale output of
) ]; @- @8 q- C D; }, P the A/D converter.
& N* T* [ J- k& } Example: A studio works with +4 dBu nominal analog level and uses 12 dB headroom;
, L: N- E0 f X7 C* I% L the peak level is therefore +16 dBu. The “Input dBu FS” rotary
V( ~, D( u4 u3 r5 x; G$ c switch [2] is set to +24 dBu (i.e. gain setting short by 8 dB), and the “Fine) [1 d- n, H% I0 K; m6 d
Gain” potentiometer [3] increases the gain by 8 dB.
+ x. a a8 f$ c4 U5 c% [[4]...[6] Valve Dignifier Operative only if the function VALVE [8] is active.. B }) e2 H/ _, d/ ]
[4] Bass Warmth The sound of low frequencies becomes rounder; bass has more depth; vocals% B* p. g( e' S/ K+ P
have more body; percussive instruments are less aggressive.
) V3 z9 u; J# a' D8 N0 a8 y The group delay behaviour due to AC coupling of the stages is different in) k' ~# M: B1 p- s& ^1 t$ ]' O
tube amplifiers./ N( V4 U! ^ O
The “Bass Warmth” control allows to select the frequency range
5 J( | L) h5 M5 ~5 n (10...200 Hz) within which the effect is active.
" Q% ?# ?- z1 ? u7 [* o3 l* S" N# w4 |[5] Angel Zoom Adds transparency and clarity to vocals; emphasizes the solo instruments., [* P, W' j8 e# \/ E
Valve amps have a characteristic response, mid-frequency harmonic content
2 H# a1 t6 i1 x; d is emphasized.- k, P$ y9 P5 v: j. ^" w5 H# u
[6] Valve Drive Gain/Clip Tight, full sound; the sound will be harder/softer.
" t$ O) i! e* D$ O The harmonics spectrum of a delicately overloaded valve amplifier is completely9 [0 n z4 d1 e. P ^
different from an overloaded transistor stage.
' t5 o9 R% R, a9 u3 Z( h The “Gain” control adjusts a gentle overload while the odd-harmonics content5 U1 m" I( `- o9 S
can be adjusted with the “Clip” control.
1 [4 r# P. Z o( p- g6 q1 ]* x[7] Line Out Output level setting, calibrated in dBu per full scale (dBu FS). Range: 4...24+ [. ^6 }1 e" i& i9 d
dBu FS.; {- n: ^' C+ m: ]8 N! g( S& g [
[8] VALVE Toggle key for inserting the Valve Dignifier stage into the audio path of the- W9 k! \( i' E, ?/ z W3 Y2 d ?
desired channel.' f) t+ R7 m3 k: _) g, ~% r# {
The “VALVE” LED is on when the Valve Dignifier stage is active.: \- ]- r: Z/ _ i e7 c$ }$ |
[9] INSERT INSERT function.4 l! O1 T! \% ?) ~0 G U$ a
First key pressure: INSERT POST VALVE, the Insert Send is tapped after/ g- h! k5 O6 V! m
the valve stage (display: “INS”); the Insert Return is directly fed to the Line
2 |" M. t$ X' u( Z and AES/EBU outputs.
( e- x( m, z' u& ` Second key pressure: INSERT PRE VALVE, the Insert Send is tapped before
& `1 W) g( x& w- U6 W5 R& Z the valve stage (display: “INS” and “PRE”); the Insert Return is fed via. W9 }1 D, a: m4 F
the valve dignifier stage to the Line and AES/EBU outputs.4 G; i5 S A8 K/ Q: H1 b
Third pressure: INSERT OFF, the input signal is fed via the valve dignifier
1 N- v9 a/ n1 g8 R stage (if active) to the Line and AES/EBU outputs (also the Insert Send output1 F3 s' w% ~' m4 y! R9 a+ l( e
receives this signal; display: none).
6 I/ y' J1 q( c* C$ J% _+ m Insert Send and Insert Return are electronically balanced and equipped with
! B7 d2 c2 }' `4 S XLR connectors.9 [* {6 ]( w N: `4 M8 a" G
[10] ROUTING Selector for the channel routing when using one of the (optional) TDIF or
+ _- z8 H. A* j9 l* o6 E ADAT digital interfaces. Each input channel can be switched to one of the
; B; e8 C g& x* Y/ ?1 J channels 1...8 of the multichannel interface. If desired, also a mono mix is: N) f+ M8 x! K. i+ E1 F5 |
possible by selecting the same output channel for both input channels.
& v1 H5 a( X( }# a[11] 48 V Toggle key to activate the 48 V phantom power supply for the desired microphone
7 Y( c! L# u1 I6 g2 ^ channel.
0 d+ d4 f. x0 V1 L5 k Can be operated only if the input gain selector is in Mic position. The# ^+ i1 x0 z0 M8 I2 I
setting remains stored when switching over to a line gain setting.
: f5 @" J: |5 M J: D, ^0 k[12] Activates the high pass filter on the microphone inputs of the desired channel.) z% e J% }0 ^
Cut-off frequency (–3 dB point) 75 Hz, slope 12 dB/octave.
* `9 g4 _- v9 l$ ] Can be operated only if the input gain selector is in Mic position. The$ [5 j+ W! d9 N9 K& m
setting remains stored when switching over to a line gain setting.
$ i- Z* y( L' L3 {. N. T[13] Ø Toggle key to activate the phase reverse switch of the desired channel.9 n0 K0 _3 |$ j/ ]/ d# w4 y
[14] MODE Toggle key to select the word length of the DIGITAL OUTput. 20 bit (display:
, G! S( R' |! Y/ D, g$ c& Y “20BIT”), 16 bit with dithering (display: “16DI”), or 16 bit with
7 i- y0 {' v7 I Noise Shaping (display: “16NS”) can be selected.9 J. w" s! Y- l
[15] SYNC Selects the synchronization source for the unit. Possible selections are:
+ _5 v! }- ] d( a' R7 G& s# M INT 48 Internal quartz reference, 48 kHz2 ~( x! F' W8 Z/ t2 `( h
INT 44 Internal quartz reference, 44.1 kHz
& g6 W* p# S/ z2 G9 \, B1 `$ L WCLK Selects external Word Clock Sync (flashes if no valid input signal is recognized)
3 U- X/ v9 i9 B# A, q/ R AES Selects external AES/EBU Sync (flashes if no valid input signal is recognized)/ q; \! N- i- L( W
AUTO Selects sources automatically in the sequence AES-WCLK-INT: C& e! v6 C: v; O6 t6 R. _, Z
VAR Indication only, active if the external source frequency deviates from 48 or& z3 _! S* q& F" D; B. W! [
44.1 kHz for more than approx. ±3 %.
$ v& F2 F7 ]% M( d[16] PEAK HOLD Toggle key to select the PEAK HOLD function for the PPM level meters –5 V( k3 m; U. q/ i5 G, \. x9 _
either permanently (display: “HOLD”), or with automatic reset after approx. 2 s.
' _. B$ Z" ?6 f3 R6 X* V4 G$ S5 j- Q6 c[17] SOFT CLIP Toggle key to activate the SOFT CLIP function in the analog paths to reduce
# S$ w! f: a' m& T7 a3 U3 z the danger of overloading the A/D converter with short signal peaks (if- [! F) ]+ C! m3 ~
active, the display indicates “SOFT”). Threshold at 3 dB below full-scale,3 i, `3 z' f, X$ \5 j/ C
allowing for approx. 6 dB reserve before hard clipping occurs
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