|
|

楼主 |
发表于 2012-5-20 00:04:04
|
显示全部楼层
本帖最后由 dan3963101 于 2012-5-20 00:12 编辑 & b) y G7 E5 G& b
4 d, J6 u3 @! O. f英文电子说明书
; n7 \+ D% `* J. F8 D: K6 V. _[1] POWER Switches the unit on or off. The unit is ready to operate with the factory
4 k* F2 A! w8 r# J2 @" l! z8 k2 Y( S default settings. The subsequent settings remain stored in a Flash EPROM
' ^' y' {8 t5 r" [) Y. ], s after switching the unit off (unit contains no battery).( T/ ?# S, [2 z& h, W
[2] Input dBu FS Rotary switch for coarse input sensitivity setting in 10 dB steps. OFF position
( ^+ Z- J5 u+ ^5 R+ `6 F' G8 Q between microphone and line sensitivity setting ranges.- F1 G* {8 b' g8 d# a C& B
Mic: Range –40...+20 dBu2 [6 P3 m) v9 G' I f" E+ h+ e6 n
Line: Range +14 dBu, +24 dBu
7 R( P3 H/ C0 R7 X/ x[3] Fine Gain Potentiometer for fine input sensitivity setting.3 @8 w$ ]5 n7 u4 b2 c p1 t5 r! I
Range of additional gain: 0...+15 dB.& l/ Y2 O: t) b; o1 q
Headroom: The input sensitivity setting is calibrated in dBu per full-scale. It represents4 O' z& D) d3 ~# S: l! x# j
the dBu value of an analog input signal which causes a full-scale output of
% `1 T) v5 F0 w- } the A/D converter.
9 Y# l; z& o: E% l" } Example: A studio works with +4 dBu nominal analog level and uses 12 dB headroom;+ f8 _; F% i" ~+ j
the peak level is therefore +16 dBu. The “Input dBu FS” rotary
) ^8 _* E3 P6 |: q9 W switch [2] is set to +24 dBu (i.e. gain setting short by 8 dB), and the “Fine$ e# A0 R; X# k* I( r" V4 D$ `: [* U
Gain” potentiometer [3] increases the gain by 8 dB.
3 m& f, R7 V/ S- R. Z[4]...[6] Valve Dignifier Operative only if the function VALVE [8] is active.( X/ F0 P% ?4 F( \ r2 C
[4] Bass Warmth The sound of low frequencies becomes rounder; bass has more depth; vocals4 O/ B5 B0 Q' Y4 o& O
have more body; percussive instruments are less aggressive.' _" E: r* R7 |3 y6 f/ g- r
The group delay behaviour due to AC coupling of the stages is different in
3 m/ m' {. K* V0 J( A& W0 N; e tube amplifiers.
$ P+ T) m6 p; H" i; n) _6 q- {4 v The “Bass Warmth” control allows to select the frequency range
7 M& }0 ~3 g4 m/ v, J (10...200 Hz) within which the effect is active.- o9 {% v' y* M* ?7 h: W" Q2 a8 D
[5] Angel Zoom Adds transparency and clarity to vocals; emphasizes the solo instruments.7 Q& s1 b/ d) A# A8 F& F* i$ T
Valve amps have a characteristic response, mid-frequency harmonic content$ u; K, K8 b7 w
is emphasized.
3 e/ J* T+ j0 }$ j, }) D[6] Valve Drive Gain/Clip Tight, full sound; the sound will be harder/softer., `; h: [9 m6 q$ U
The harmonics spectrum of a delicately overloaded valve amplifier is completely8 ]6 d4 M6 i. Q* f* a8 F; {% k
different from an overloaded transistor stage.
, `. c0 ~( n$ G/ d0 f8 T The “Gain” control adjusts a gentle overload while the odd-harmonics content
, G7 ?+ Y8 i, b b ~1 u. q1 x# R can be adjusted with the “Clip” control.$ B. _0 `" o3 y7 w, ^
[7] Line Out Output level setting, calibrated in dBu per full scale (dBu FS). Range: 4...24
" n& i9 h9 n# h `8 @ dBu FS.
% B- P6 ]3 X) F" c% W5 @3 I! T) f[8] VALVE Toggle key for inserting the Valve Dignifier stage into the audio path of the) c {8 l9 x$ M! D" _5 }5 J3 Y
desired channel.
9 [7 p- v1 t- q* m8 K$ c+ c The “VALVE” LED is on when the Valve Dignifier stage is active.3 Y0 {1 r' n* k1 s3 {7 M
[9] INSERT INSERT function.: {8 F6 h$ \1 U6 i$ Z, K3 P% E
First key pressure: INSERT POST VALVE, the Insert Send is tapped after5 E6 \: Q! @, s
the valve stage (display: “INS”); the Insert Return is directly fed to the Line
& \ R, O) s/ F0 n. o9 ~ and AES/EBU outputs. q: I/ i4 w% W
Second key pressure: INSERT PRE VALVE, the Insert Send is tapped before' _+ S7 V' s# M! F: g- Z! ]* s
the valve stage (display: “INS” and “PRE”); the Insert Return is fed via$ y+ L" H+ l1 j: j
the valve dignifier stage to the Line and AES/EBU outputs.
# H. u- I; t& p5 S% | Third pressure: INSERT OFF, the input signal is fed via the valve dignifier" F0 r) N! D. j
stage (if active) to the Line and AES/EBU outputs (also the Insert Send output
2 U* j1 J. u# i8 l2 p receives this signal; display: none).& Z, M5 W0 B4 W2 G& X, v/ {
Insert Send and Insert Return are electronically balanced and equipped with$ T! D/ D8 ~) Z2 `) Z; c
XLR connectors.! A, Q6 U, J( o7 p/ t4 }9 j
[10] ROUTING Selector for the channel routing when using one of the (optional) TDIF or: y, a) p. E; T5 m7 u- E1 y7 l
ADAT digital interfaces. Each input channel can be switched to one of the2 j, ^" a# \& V: {8 q* N) d; L5 w* C
channels 1...8 of the multichannel interface. If desired, also a mono mix is
- ?* |" b9 \( @/ u" O' r T ^ possible by selecting the same output channel for both input channels.: X! o1 K/ |% E2 ?3 C
[11] 48 V Toggle key to activate the 48 V phantom power supply for the desired microphone3 i |8 R1 P7 W: V2 m
channel.% C5 D' c2 ~ p. s1 C3 S6 d; l8 X
Can be operated only if the input gain selector is in Mic position. The
; W! n$ H! L# p6 p9 _ setting remains stored when switching over to a line gain setting.
2 e; ^; G4 B- n6 }[12] Activates the high pass filter on the microphone inputs of the desired channel.
" Z6 c( |- a, x Cut-off frequency (–3 dB point) 75 Hz, slope 12 dB/octave.
8 e6 e) M l5 V. P Can be operated only if the input gain selector is in Mic position. The$ N6 Q; H1 r3 s$ [# A- e
setting remains stored when switching over to a line gain setting.* k8 T4 U% \' a& K
[13] Ø Toggle key to activate the phase reverse switch of the desired channel.2 `8 [: L, I+ J$ C) o
[14] MODE Toggle key to select the word length of the DIGITAL OUTput. 20 bit (display:6 M x# @. y3 G+ ^& w
“20BIT”), 16 bit with dithering (display: “16DI”), or 16 bit with1 N: S9 V; }6 Q' S/ Y5 O8 H
Noise Shaping (display: “16NS”) can be selected.. a# t* d" f' K- f& q' }
[15] SYNC Selects the synchronization source for the unit. Possible selections are:* f% L, d/ {1 k& q/ A' |
INT 48 Internal quartz reference, 48 kHz
7 `& u$ ?; c: j* s INT 44 Internal quartz reference, 44.1 kHz6 z: m/ m9 w; J/ ]- ?9 F" X9 K
WCLK Selects external Word Clock Sync (flashes if no valid input signal is recognized); s5 t: [4 i. D/ h, d
AES Selects external AES/EBU Sync (flashes if no valid input signal is recognized): V8 E! r5 C8 u3 O! o
AUTO Selects sources automatically in the sequence AES-WCLK-INT
m4 n" ~2 V; b* Y4 B1 Q, K# P VAR Indication only, active if the external source frequency deviates from 48 or
. n( e6 j( s1 F2 q 44.1 kHz for more than approx. ±3 %.) O) W: {+ r- P& C2 q9 p$ o
[16] PEAK HOLD Toggle key to select the PEAK HOLD function for the PPM level meters –
2 r0 d% z" Z( r) _8 U* I0 y either permanently (display: “HOLD”), or with automatic reset after approx. 2 s.
, ^( c8 B, s: p* K[17] SOFT CLIP Toggle key to activate the SOFT CLIP function in the analog paths to reduce
) w: B, @$ ]+ s9 t; z9 @4 f the danger of overloading the A/D converter with short signal peaks (if1 g0 X" {# A0 }" e
active, the display indicates “SOFT”). Threshold at 3 dB below full-scale,, W. n0 V) g0 |$ `
allowing for approx. 6 dB reserve before hard clipping occurs
& P0 p" R; j5 I, n C9 V
6 \3 E0 N1 h8 f: w7 @( n2 G6 { |
|