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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 - f' ~, Y: ?7 J+ U; c% R
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& Q0 u! ~8 O5 Q; Q( j, z2 Q英文电子说明书- e8 _4 m6 [9 \2 v4 p( @
[1] POWER Switches the unit on or off. The unit is ready to operate with the factory
" s, U' N# r- m8 K7 R default settings. The subsequent settings remain stored in a Flash EPROM
0 x+ S" l$ o2 a# d9 Y after switching the unit off (unit contains no battery).
7 b1 c6 \- Q) d! A2 ?; n; T[2] Input dBu FS Rotary switch for coarse input sensitivity setting in 10 dB steps. OFF position
y4 p0 y: q2 F' B. ~ |+ Z between microphone and line sensitivity setting ranges./ i, J9 Q4 ^+ |# J" Y6 E2 `
Mic: Range –40...+20 dBu+ K. d, U; m5 I, C
Line: Range +14 dBu, +24 dBu
9 a6 t, ^; {0 p2 v+ S$ H. W[3] Fine Gain Potentiometer for fine input sensitivity setting.* H/ k5 B5 G s4 X7 o( n
Range of additional gain: 0...+15 dB.: R- G( k( E- ~4 `
Headroom: The input sensitivity setting is calibrated in dBu per full-scale. It represents" p x4 i: L- \' m( F+ j# G
the dBu value of an analog input signal which causes a full-scale output of
' w4 s" W" w {6 J the A/D converter.
* y6 f# s- L" \6 M9 x; }( N/ A Example: A studio works with +4 dBu nominal analog level and uses 12 dB headroom;- d0 A. S2 r) C5 H; v, {
the peak level is therefore +16 dBu. The “Input dBu FS” rotary2 A; {) m8 F3 p+ ^2 W3 J
switch [2] is set to +24 dBu (i.e. gain setting short by 8 dB), and the “Fine3 U5 Q* [: O( j7 T
Gain” potentiometer [3] increases the gain by 8 dB.! A+ i7 c7 b& O/ ?9 n5 C
[4]...[6] Valve Dignifier Operative only if the function VALVE [8] is active.$ z) {, |5 o+ [9 ?5 P; }/ D
[4] Bass Warmth The sound of low frequencies becomes rounder; bass has more depth; vocals
) |, Z2 B; q, j4 k) d$ L have more body; percussive instruments are less aggressive.
' f& O% `$ F! |' H% q' y The group delay behaviour due to AC coupling of the stages is different in4 F' n! U5 L# W# C! D
tube amplifiers.; A, W; D* `+ t: O0 e" V7 Q
The “Bass Warmth” control allows to select the frequency range. o8 w/ \0 i' z% [" R, p
(10...200 Hz) within which the effect is active.
# H: ^0 J& L9 w0 W1 {[5] Angel Zoom Adds transparency and clarity to vocals; emphasizes the solo instruments.
, B. r m1 v+ S Valve amps have a characteristic response, mid-frequency harmonic content
, b! S* t* S: G. c8 T is emphasized.: W3 W& G! F: R$ c: a+ p4 H
[6] Valve Drive Gain/Clip Tight, full sound; the sound will be harder/softer.$ A' n1 S- }& U. {6 t
The harmonics spectrum of a delicately overloaded valve amplifier is completely
' E. w8 M. y( D1 a0 w1 j different from an overloaded transistor stage.
) M9 u! v( q, I; o The “Gain” control adjusts a gentle overload while the odd-harmonics content
' n& L4 M1 w2 N# j! R can be adjusted with the “Clip” control.
6 `7 B5 Y3 ~& E[7] Line Out Output level setting, calibrated in dBu per full scale (dBu FS). Range: 4...24( S M# F% h$ d* T% r1 q5 P
dBu FS." F% z, z0 t) p: i3 b
[8] VALVE Toggle key for inserting the Valve Dignifier stage into the audio path of the8 F3 Z! \$ V! |: a
desired channel.+ w8 B! q( B, V. }- I) f
The “VALVE” LED is on when the Valve Dignifier stage is active.4 R8 Y* D0 g: @- r' G
[9] INSERT INSERT function.1 `% i- T9 c$ X- r, a; q- w
First key pressure: INSERT POST VALVE, the Insert Send is tapped after0 h) ~" S0 z' }8 A) d; n
the valve stage (display: “INS”); the Insert Return is directly fed to the Line
( ?. D9 H" t9 x( Q' w/ b5 \ and AES/EBU outputs.2 N+ z$ q0 E& d3 O! ~
Second key pressure: INSERT PRE VALVE, the Insert Send is tapped before; G/ m, e L: `
the valve stage (display: “INS” and “PRE”); the Insert Return is fed via
" _; X- m7 r1 [6 k: f0 E J" n the valve dignifier stage to the Line and AES/EBU outputs.$ p5 e* Q' L: ]
Third pressure: INSERT OFF, the input signal is fed via the valve dignifier' ]$ |5 W2 k) X& \! A5 j4 `! l! J
stage (if active) to the Line and AES/EBU outputs (also the Insert Send output: r [' E/ `+ e
receives this signal; display: none).
% r4 \6 e3 `/ }2 W0 a Insert Send and Insert Return are electronically balanced and equipped with2 a3 ~" W; o9 J
XLR connectors.# @. o/ W2 G3 O# V
[10] ROUTING Selector for the channel routing when using one of the (optional) TDIF or
; i4 f6 L% |) p0 B! [6 G ADAT digital interfaces. Each input channel can be switched to one of the
, C3 D: Q% x% ~. d1 S. h channels 1...8 of the multichannel interface. If desired, also a mono mix is% B. I. v" Z4 j* b0 a/ L: H0 B
possible by selecting the same output channel for both input channels.
M: ~3 _# N/ p2 J. `2 }, m( _+ x[11] 48 V Toggle key to activate the 48 V phantom power supply for the desired microphone
! x6 R- K u" t. C5 ] channel.
. t: S- o- s! x6 B% u" ?# V1 q Can be operated only if the input gain selector is in Mic position. The
' ?) M# M b2 x- L& E) j setting remains stored when switching over to a line gain setting.
; o5 K# R. p! H2 P3 ?" v[12] Activates the high pass filter on the microphone inputs of the desired channel.
( {9 s9 V$ t; B g& x; t% f' f- p Cut-off frequency (–3 dB point) 75 Hz, slope 12 dB/octave.5 s7 r. W0 e" g" Y- [: A# [
Can be operated only if the input gain selector is in Mic position. The; `4 Q) E4 Z1 \
setting remains stored when switching over to a line gain setting.
8 y+ Y. \1 E1 \+ h7 p[13] Ø Toggle key to activate the phase reverse switch of the desired channel.+ [3 `1 R. H! y5 b6 j: |8 v/ y% Z* u
[14] MODE Toggle key to select the word length of the DIGITAL OUTput. 20 bit (display:
0 {# j, u$ P/ m “20BIT”), 16 bit with dithering (display: “16DI”), or 16 bit with
) ?/ d) `* G- X/ \9 @: \ Noise Shaping (display: “16NS”) can be selected.6 Y* t8 A0 Z! J; Q1 U
[15] SYNC Selects the synchronization source for the unit. Possible selections are:
+ L/ n$ @1 J; X9 K" { INT 48 Internal quartz reference, 48 kHz8 _4 s+ e' w% X- C8 H2 I; `' r
INT 44 Internal quartz reference, 44.1 kHz. k; ]$ e& A$ H. o( ?
WCLK Selects external Word Clock Sync (flashes if no valid input signal is recognized)
9 U+ j2 S( D9 V) S AES Selects external AES/EBU Sync (flashes if no valid input signal is recognized)6 h8 P) G# j- j. [( k# l8 z
AUTO Selects sources automatically in the sequence AES-WCLK-INT l- c3 s ^. _0 }# a W& }
VAR Indication only, active if the external source frequency deviates from 48 or' C1 ^6 M" R Y( c( u7 d- F7 w, u
44.1 kHz for more than approx. ±3 %.9 Y% I" l- q% Q& e1 c3 ]
[16] PEAK HOLD Toggle key to select the PEAK HOLD function for the PPM level meters –
; f! U, |/ _. a' u+ J) F either permanently (display: “HOLD”), or with automatic reset after approx. 2 s.: [' \: O' V$ i( q6 {" Y4 X
[17] SOFT CLIP Toggle key to activate the SOFT CLIP function in the analog paths to reduce
T0 i7 C9 {+ N the danger of overloading the A/D converter with short signal peaks (if, I# x* ^& o# g y6 ^5 Y7 `* g
active, the display indicates “SOFT”). Threshold at 3 dB below full-scale,# l' C1 z" K- M( g% N+ q( L- b* q$ j
allowing for approx. 6 dB reserve before hard clipping occurs$ S, o, O7 \5 W9 W" a! R( S
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