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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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( y% w& [6 ^2 z f英文电子说明书
% C# I& v/ S. M+ Z% H[1] POWER Switches the unit on or off. The unit is ready to operate with the factory$ o/ \# |$ e( Y2 w' a. Z& D
default settings. The subsequent settings remain stored in a Flash EPROM
( I& k7 k9 ]: D* D, Y8 P; k$ l# m after switching the unit off (unit contains no battery)." u7 O* [0 z1 m9 s1 m3 l* _+ Y( q
[2] Input dBu FS Rotary switch for coarse input sensitivity setting in 10 dB steps. OFF position( v8 u! I: {3 N- }3 w
between microphone and line sensitivity setting ranges.
+ d3 f9 H) f# B) A# ~& d( o+ v Mic: Range –40...+20 dBu0 h! p0 M' L( C$ i( L
Line: Range +14 dBu, +24 dBu7 H: S v B4 h6 I
[3] Fine Gain Potentiometer for fine input sensitivity setting.
7 q1 j% D( J0 I+ ^. I- {7 O Range of additional gain: 0...+15 dB.- K3 Q$ D0 i. C
Headroom: The input sensitivity setting is calibrated in dBu per full-scale. It represents* M3 _! S9 ^7 m" h) b3 P8 Y9 y+ n+ C& H
the dBu value of an analog input signal which causes a full-scale output of- k- ]4 E. [- ^6 @" T# y3 c
the A/D converter.
, d& q" R: R* s3 D+ D0 ?6 p( I Example: A studio works with +4 dBu nominal analog level and uses 12 dB headroom;
t( b' k4 w0 `" ?; n/ {! l the peak level is therefore +16 dBu. The “Input dBu FS” rotary
( [& g. B. Y, ^ z switch [2] is set to +24 dBu (i.e. gain setting short by 8 dB), and the “Fine: q+ }6 ~, Z) N/ H! f& e P
Gain” potentiometer [3] increases the gain by 8 dB.
* c$ P# W% J, ~% h, i9 E2 d, h[4]...[6] Valve Dignifier Operative only if the function VALVE [8] is active.
) }7 {& S0 _7 v8 V# E( L[4] Bass Warmth The sound of low frequencies becomes rounder; bass has more depth; vocals1 j. w) w5 Z& P/ P: O
have more body; percussive instruments are less aggressive.8 ^8 k# `9 _0 m, M' T' a6 O4 Q+ Q
The group delay behaviour due to AC coupling of the stages is different in% M& k+ p7 F& a/ t0 Y& }
tube amplifiers.# G' I7 c9 V6 f5 ?0 \ [( V
The “Bass Warmth” control allows to select the frequency range' L: [, B7 p7 I* q& Q
(10...200 Hz) within which the effect is active." X! X8 I& b+ s" U& j; k+ Q; {$ B
[5] Angel Zoom Adds transparency and clarity to vocals; emphasizes the solo instruments.
& B w* Q, l- p; d, j9 } Valve amps have a characteristic response, mid-frequency harmonic content
8 P" N; m. z& H" M is emphasized.( n5 V/ M a; a; _" C$ o
[6] Valve Drive Gain/Clip Tight, full sound; the sound will be harder/softer.
% Z `7 B0 j1 Z/ a6 l The harmonics spectrum of a delicately overloaded valve amplifier is completely
0 F0 T# O2 \) K1 d" m8 b different from an overloaded transistor stage.! a9 ]; K; d+ X. Y0 p2 Q+ K: I
The “Gain” control adjusts a gentle overload while the odd-harmonics content
7 n9 O7 v N, x/ D/ n can be adjusted with the “Clip” control.
/ m$ }" E7 B* l ^9 g6 H[7] Line Out Output level setting, calibrated in dBu per full scale (dBu FS). Range: 4...24
% u9 _2 x3 L- j7 _' R8 }$ } dBu FS.
) W" Z1 u# x# L; }- ` o' d( b, k[8] VALVE Toggle key for inserting the Valve Dignifier stage into the audio path of the; h- E% A- L, s! J; ` w) h. s
desired channel.5 C; y: x1 @$ T8 l& s
The “VALVE” LED is on when the Valve Dignifier stage is active.
* w' P3 k, T( F9 m; m[9] INSERT INSERT function.5 |1 z( C; }4 i& u o3 Z
First key pressure: INSERT POST VALVE, the Insert Send is tapped after& f5 ?4 v c" f( I4 S! \2 |
the valve stage (display: “INS”); the Insert Return is directly fed to the Line# w z2 o( b, N' w4 |( a3 p, y/ W
and AES/EBU outputs.
4 }3 u( B5 g2 y( Q; R/ n Second key pressure: INSERT PRE VALVE, the Insert Send is tapped before, o0 f$ C) g' ]6 T4 g* S) O
the valve stage (display: “INS” and “PRE”); the Insert Return is fed via
8 `* j/ m* h% r/ s the valve dignifier stage to the Line and AES/EBU outputs.' z1 W/ w' y8 z$ h
Third pressure: INSERT OFF, the input signal is fed via the valve dignifier
6 Z Y) t9 U2 U6 t: S stage (if active) to the Line and AES/EBU outputs (also the Insert Send output
! R7 a/ _6 m+ z; E8 f receives this signal; display: none). X* ^5 h, E9 A
Insert Send and Insert Return are electronically balanced and equipped with
0 Y( Y- `& e0 ~ XLR connectors.
7 f( x2 X0 h# C" Z[10] ROUTING Selector for the channel routing when using one of the (optional) TDIF or1 u1 y8 Z; C, ?& q
ADAT digital interfaces. Each input channel can be switched to one of the! A. D+ W7 Q b! {3 }/ Z
channels 1...8 of the multichannel interface. If desired, also a mono mix is
( x# _5 e, C H# i! } possible by selecting the same output channel for both input channels.
4 V; b0 O- R& S/ G% a T" a[11] 48 V Toggle key to activate the 48 V phantom power supply for the desired microphone
- {4 k ?7 x* X5 e4 U3 V; G channel.! o9 k9 F! V" B& Y: ]
Can be operated only if the input gain selector is in Mic position. The- z; ]* N {) K3 f7 g
setting remains stored when switching over to a line gain setting.
4 S) B* k* J) B; x[12] Activates the high pass filter on the microphone inputs of the desired channel./ @) _, r* d5 q# d8 T0 ?9 m/ {
Cut-off frequency (–3 dB point) 75 Hz, slope 12 dB/octave.
. m! \- }2 Z( S) w! x& D9 C& r% ?4 i Can be operated only if the input gain selector is in Mic position. The
1 l; `/ C$ j" G setting remains stored when switching over to a line gain setting.- [/ K v, ?. H* ~
[13] Ø Toggle key to activate the phase reverse switch of the desired channel.2 K* j. A' u. b- l, B
[14] MODE Toggle key to select the word length of the DIGITAL OUTput. 20 bit (display:
2 L( _& Z6 C& j( P1 w4 F “20BIT”), 16 bit with dithering (display: “16DI”), or 16 bit with2 L8 S) p# }4 E0 V: F4 d1 U2 |! w) X4 L
Noise Shaping (display: “16NS”) can be selected.
3 g! [- v' b$ {/ ~& L: X! [2 [[15] SYNC Selects the synchronization source for the unit. Possible selections are:* H2 R; V, a+ D# C# b
INT 48 Internal quartz reference, 48 kHz. ~" r# n) ]9 b; [7 g M
INT 44 Internal quartz reference, 44.1 kHz( Z3 `9 t; v) W& z7 n+ p( m
WCLK Selects external Word Clock Sync (flashes if no valid input signal is recognized)* U* @: {; I# C
AES Selects external AES/EBU Sync (flashes if no valid input signal is recognized), Q6 F. o" T8 }/ v0 z3 Z
AUTO Selects sources automatically in the sequence AES-WCLK-INT
# G: A( _4 z w* O$ L! i VAR Indication only, active if the external source frequency deviates from 48 or
% {2 F/ _" J# l- D 44.1 kHz for more than approx. ±3 %.
8 c2 j p) k; X: o[16] PEAK HOLD Toggle key to select the PEAK HOLD function for the PPM level meters –2 F8 n6 o; A1 p# F# F% {
either permanently (display: “HOLD”), or with automatic reset after approx. 2 s.7 n$ G2 f4 ?! H+ Q4 J
[17] SOFT CLIP Toggle key to activate the SOFT CLIP function in the analog paths to reduce
* y k2 p" X& j, ?& T the danger of overloading the A/D converter with short signal peaks (if
4 C& t$ v) H: b9 n0 v2 A2 w6 _3 } active, the display indicates “SOFT”). Threshold at 3 dB below full-scale,( T- d1 S% K# S5 O: N$ G! U3 ^
allowing for approx. 6 dB reserve before hard clipping occurs" l( Y. T0 E. i9 [4 R! K8 |& M
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