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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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1 T$ ]6 U* P- W1 g9 z2 o英文电子说明书
) D6 b0 t9 x1 B+ Z) m( ~: }7 j[1] POWER Switches the unit on or off. The unit is ready to operate with the factory/ n5 Q7 a- j# K$ Q8 q
default settings. The subsequent settings remain stored in a Flash EPROM
2 {/ @. R7 H) S after switching the unit off (unit contains no battery).- i9 P& i$ e( d/ K
[2] Input dBu FS Rotary switch for coarse input sensitivity setting in 10 dB steps. OFF position
0 B8 C1 \7 H/ I& C! o9 w- m between microphone and line sensitivity setting ranges.
) E4 C3 u9 |) T) k- y Mic: Range –40...+20 dBu
|# d1 z w: X2 w6 v; [+ ?+ b4 ] Line: Range +14 dBu, +24 dBu
4 [9 {9 l2 e/ b* f5 f( i[3] Fine Gain Potentiometer for fine input sensitivity setting./ {5 r' ^0 |0 _( p
Range of additional gain: 0...+15 dB.
/ f% m. Y) w' L" v" u( v1 Z5 _ Headroom: The input sensitivity setting is calibrated in dBu per full-scale. It represents
4 H) @$ @* F6 L2 f; P3 `9 @ the dBu value of an analog input signal which causes a full-scale output of
, [4 ^2 G) L: d- L" o9 a the A/D converter.
& r' o2 d/ S, G Example: A studio works with +4 dBu nominal analog level and uses 12 dB headroom;
; U, R5 I6 Y& Y% c3 h the peak level is therefore +16 dBu. The “Input dBu FS” rotary
! o5 Y/ }: H- u+ o switch [2] is set to +24 dBu (i.e. gain setting short by 8 dB), and the “Fine3 S2 ~/ u; P0 ~# B5 }/ [
Gain” potentiometer [3] increases the gain by 8 dB.0 b5 m& s/ t7 I# }" O$ Y
[4]...[6] Valve Dignifier Operative only if the function VALVE [8] is active.
: n, i# }: T" H0 P5 ]: _[4] Bass Warmth The sound of low frequencies becomes rounder; bass has more depth; vocals
3 l) D& S/ _+ M! p9 {3 W% [3 f have more body; percussive instruments are less aggressive.
2 F( {! v3 R5 c, L+ \; K The group delay behaviour due to AC coupling of the stages is different in: e9 ^1 D3 b' X' S& A% g Q- x
tube amplifiers.
5 U' W6 A7 D2 \0 o: D- o The “Bass Warmth” control allows to select the frequency range
* |/ L# R; C) L2 i# m3 O (10...200 Hz) within which the effect is active.3 s6 g4 d$ N# B" f0 k
[5] Angel Zoom Adds transparency and clarity to vocals; emphasizes the solo instruments.
) t1 W' A) E' B' g2 L9 L Valve amps have a characteristic response, mid-frequency harmonic content+ E4 `/ h% |, l: r( f" ~# s4 f: v
is emphasized.6 k6 C; L9 l5 N, q* |' `( d! I
[6] Valve Drive Gain/Clip Tight, full sound; the sound will be harder/softer.
. p) [6 A S" ` The harmonics spectrum of a delicately overloaded valve amplifier is completely
/ R% [' i, J* R$ i) D, O) S different from an overloaded transistor stage.- r. n4 ]( D1 c) y J. v$ T
The “Gain” control adjusts a gentle overload while the odd-harmonics content$ J" o; S; I" ~5 p4 ~' x4 q7 L* \
can be adjusted with the “Clip” control.) q0 e. \9 J8 {$ U, ?2 M( d) {
[7] Line Out Output level setting, calibrated in dBu per full scale (dBu FS). Range: 4...24
7 b+ k0 A+ X3 D dBu FS.- u+ y: F5 m1 [
[8] VALVE Toggle key for inserting the Valve Dignifier stage into the audio path of the
2 g: s% H- k0 v: E. P5 Z desired channel.
& n- H4 v" H' M" o g The “VALVE” LED is on when the Valve Dignifier stage is active.
: g; u& s) K) x$ V[9] INSERT INSERT function.
1 S' z( @: d9 N/ C F% g First key pressure: INSERT POST VALVE, the Insert Send is tapped after8 p+ Y2 N: _( L' W3 U3 k
the valve stage (display: “INS”); the Insert Return is directly fed to the Line+ j, J2 S) }3 U3 j* I9 l+ q
and AES/EBU outputs.
/ k! Z9 ?) Y/ b" I Second key pressure: INSERT PRE VALVE, the Insert Send is tapped before
4 _/ \ Y) W7 {+ D" |4 f the valve stage (display: “INS” and “PRE”); the Insert Return is fed via
9 z, K4 Y* B6 L7 g+ ^# b4 o the valve dignifier stage to the Line and AES/EBU outputs./ Y9 M R7 v+ |) l X* s) w
Third pressure: INSERT OFF, the input signal is fed via the valve dignifier: k2 A, Q8 H3 d; l
stage (if active) to the Line and AES/EBU outputs (also the Insert Send output
# {' e& M! p; g7 K$ W. \+ s receives this signal; display: none).* U; {8 e2 ] m+ H4 I7 i
Insert Send and Insert Return are electronically balanced and equipped with5 d7 v( e1 u- i
XLR connectors.) R( @! E: G1 N g% j. t8 m1 f2 e
[10] ROUTING Selector for the channel routing when using one of the (optional) TDIF or
$ |% o3 P8 [4 f4 `5 M& @/ c3 k ADAT digital interfaces. Each input channel can be switched to one of the H# G* H, |; A0 _: a
channels 1...8 of the multichannel interface. If desired, also a mono mix is
- G' P/ D& U: O. H# u possible by selecting the same output channel for both input channels.# o) K; C, o4 ~/ b, v" }$ L
[11] 48 V Toggle key to activate the 48 V phantom power supply for the desired microphone
5 B# s/ I0 E+ C8 R; v: e channel.
6 r7 v \; D& b" J* o% e Can be operated only if the input gain selector is in Mic position. The
: `2 L6 D2 @+ n2 w( R* L8 R setting remains stored when switching over to a line gain setting.& P4 _) e$ l0 y; J
[12] Activates the high pass filter on the microphone inputs of the desired channel.
4 Q) i2 \: q* h- e' r. f Cut-off frequency (–3 dB point) 75 Hz, slope 12 dB/octave.
% v, H& ~" T$ i- c: O) t: t E Can be operated only if the input gain selector is in Mic position. The
7 Z) m. j2 E1 F: c0 u. M* y setting remains stored when switching over to a line gain setting.. {+ r, q, H: g
[13] Ø Toggle key to activate the phase reverse switch of the desired channel." W! K# W$ C% G1 f- V
[14] MODE Toggle key to select the word length of the DIGITAL OUTput. 20 bit (display:
2 @- c: _# o4 u; v “20BIT”), 16 bit with dithering (display: “16DI”), or 16 bit with% l- f$ N6 ~9 n+ b1 ] Q" E- r
Noise Shaping (display: “16NS”) can be selected.
6 w8 o1 X7 Y+ e[15] SYNC Selects the synchronization source for the unit. Possible selections are:% t5 M3 u: J4 m0 T0 ]- E! ]
INT 48 Internal quartz reference, 48 kHz& I; U0 d3 t# p; P. m
INT 44 Internal quartz reference, 44.1 kHz
( V& T4 |' i" w& Q. w0 f8 _+ W* n WCLK Selects external Word Clock Sync (flashes if no valid input signal is recognized)
0 ^1 O! g5 x0 O" R2 I- D AES Selects external AES/EBU Sync (flashes if no valid input signal is recognized)
8 b2 y( j4 f6 R4 z) A! N5 T AUTO Selects sources automatically in the sequence AES-WCLK-INT6 b% j( E% A+ }- o7 ?
VAR Indication only, active if the external source frequency deviates from 48 or
" Z' i- k& s: u- u E 44.1 kHz for more than approx. ±3 %.
* ]6 o4 C7 b8 t, [[16] PEAK HOLD Toggle key to select the PEAK HOLD function for the PPM level meters –4 l6 U9 C" v4 h) T
either permanently (display: “HOLD”), or with automatic reset after approx. 2 s.
6 _( ^# u9 B, h9 H. R[17] SOFT CLIP Toggle key to activate the SOFT CLIP function in the analog paths to reduce1 [5 e. I5 Q! v+ o c. G5 Z
the danger of overloading the A/D converter with short signal peaks (if3 @* c; @2 A, V' L, O8 E; r+ F
active, the display indicates “SOFT”). Threshold at 3 dB below full-scale,
( V1 S" o0 w7 C/ q$ O, g allowing for approx. 6 dB reserve before hard clipping occurs7 \; W/ t! Y3 v$ Y1 \9 m" t
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