|
|

楼主 |
发表于 2012-5-21 23:23:18
|
显示全部楼层
本帖最后由 dan3963101 于 2012-5-20 00:12 编辑
* s0 B2 V: {$ c: g" R9 m: I
5 n) ^" X% y) x) w
" i! p" E* O' Z# q英文电子说明书
. ?, h, \- g2 a% Q0 [2 b; o( ?[1] POWER Switches the unit on or off. The unit is ready to operate with the factory/ D7 ?7 R( j' I5 q2 [0 w3 r8 o
default settings. The subsequent settings remain stored in a Flash EPROM
/ k$ ?9 h- ~0 E. t after switching the unit off (unit contains no battery).8 n6 H6 t; S8 Q+ Z( ?: R/ A w
[2] Input dBu FS Rotary switch for coarse input sensitivity setting in 10 dB steps. OFF position
( J& a; o2 t2 g2 t0 ^" G between microphone and line sensitivity setting ranges.
3 A8 v, |3 ~' c( v; f Mic: Range –40...+20 dBu; T C1 u0 o+ d
Line: Range +14 dBu, +24 dBu
; p8 L v$ F/ L5 P$ Y1 Z# A[3] Fine Gain Potentiometer for fine input sensitivity setting.
0 ~; b& u6 ^- ]( n8 F Range of additional gain: 0...+15 dB.; M( w% D- R2 }5 S# U: i' |% G
Headroom: The input sensitivity setting is calibrated in dBu per full-scale. It represents
! a- H3 H& h u% B the dBu value of an analog input signal which causes a full-scale output of
' p; K; H0 m, K' y6 r7 H the A/D converter.7 \8 `. m9 R9 E* }
Example: A studio works with +4 dBu nominal analog level and uses 12 dB headroom;
6 Z* S" I. \ f ]) G5 v. k the peak level is therefore +16 dBu. The “Input dBu FS” rotary
: }' B/ W# D$ }7 f( U/ p/ n3 L switch [2] is set to +24 dBu (i.e. gain setting short by 8 dB), and the “Fine
X2 {, h* T: y. J- a Gain” potentiometer [3] increases the gain by 8 dB.
/ B( q1 o+ @ n$ Y, G# K5 D[4]...[6] Valve Dignifier Operative only if the function VALVE [8] is active.
B+ D# v$ F# W[4] Bass Warmth The sound of low frequencies becomes rounder; bass has more depth; vocals
7 f1 P* T; y' f+ e have more body; percussive instruments are less aggressive.
) u$ X' Z* g& C) l5 |4 Q0 Z, K) E/ P The group delay behaviour due to AC coupling of the stages is different in! v! E! T& U0 `6 B; W
tube amplifiers.$ T5 b1 p# f% x1 D z
The “Bass Warmth” control allows to select the frequency range
! u4 J( e& P b6 X* J (10...200 Hz) within which the effect is active.. T% ?2 M. J- F z7 r6 _# c0 }" b
[5] Angel Zoom Adds transparency and clarity to vocals; emphasizes the solo instruments.7 L# B1 t% x! i$ }( P
Valve amps have a characteristic response, mid-frequency harmonic content; l3 w! k5 P) k3 }5 Q; |
is emphasized., C7 Q" ~3 F. `6 \) v) s9 s- Y
[6] Valve Drive Gain/Clip Tight, full sound; the sound will be harder/softer.
@1 k3 |: [7 T O The harmonics spectrum of a delicately overloaded valve amplifier is completely
5 _& V4 r5 H$ t) [ {3 I" z- C different from an overloaded transistor stage.+ d, f, j/ U O9 F* J
The “Gain” control adjusts a gentle overload while the odd-harmonics content
1 ^: u$ x% ~* ?( H can be adjusted with the “Clip” control.( q$ H: q f# n! G8 b8 ^
[7] Line Out Output level setting, calibrated in dBu per full scale (dBu FS). Range: 4...24" c- w( D+ u# S& r$ ^
dBu FS.5 Y$ F/ T$ s$ I2 x" N3 F
[8] VALVE Toggle key for inserting the Valve Dignifier stage into the audio path of the
7 c- v- t" f, x9 g2 q7 V desired channel.
6 n0 j* ?6 X0 n The “VALVE” LED is on when the Valve Dignifier stage is active.
. g% A4 G0 q R2 g A, k[9] INSERT INSERT function./ `% h/ e+ p3 \" W- F! W. S
First key pressure: INSERT POST VALVE, the Insert Send is tapped after
# w* _. m7 ~# k3 V3 P9 o G the valve stage (display: “INS”); the Insert Return is directly fed to the Line
8 g8 Q2 @ D: `+ x/ @9 J7 A and AES/EBU outputs.# y% d7 c! L/ p5 J/ d
Second key pressure: INSERT PRE VALVE, the Insert Send is tapped before
+ B7 F6 [4 P; |3 W6 c2 E0 U the valve stage (display: “INS” and “PRE”); the Insert Return is fed via
2 c' K# ]6 j$ S( S' |! N7 u the valve dignifier stage to the Line and AES/EBU outputs.2 z0 N9 {6 H3 E! M3 `
Third pressure: INSERT OFF, the input signal is fed via the valve dignifier
, P; m+ }' S" `, l9 X/ A- K& Q+ y stage (if active) to the Line and AES/EBU outputs (also the Insert Send output
+ ^3 j5 \% f) [* D ~6 F: B receives this signal; display: none). ^, q8 `# q$ ^
Insert Send and Insert Return are electronically balanced and equipped with
# j, j- r5 p9 @ XLR connectors.% A5 B1 F: {" C; T) a% J
[10] ROUTING Selector for the channel routing when using one of the (optional) TDIF or
3 W% Z2 ]. z+ u) s! f# H# M! z, c" Q ADAT digital interfaces. Each input channel can be switched to one of the
! Q% z: Q2 \6 R z4 u channels 1...8 of the multichannel interface. If desired, also a mono mix is
, ]! Z/ ]# y% x/ F! ^4 p5 y possible by selecting the same output channel for both input channels.
6 v1 T9 p0 ~7 c# c5 i[11] 48 V Toggle key to activate the 48 V phantom power supply for the desired microphone
4 n7 ?! T V; x) b; j, _! e channel.# b3 G3 E$ d+ W+ ]& c
Can be operated only if the input gain selector is in Mic position. The5 `% L# v% f! J
setting remains stored when switching over to a line gain setting.
2 z" A' v5 q- G3 n: t* F# f1 x3 F! J[12] Activates the high pass filter on the microphone inputs of the desired channel.# g, d' Q2 X2 r3 K. T+ B% r
Cut-off frequency (–3 dB point) 75 Hz, slope 12 dB/octave.
0 a7 }2 W* f) M b: k Can be operated only if the input gain selector is in Mic position. The+ Q3 z* I- D# J- Y! Z- [* T8 ~& A
setting remains stored when switching over to a line gain setting.
+ O! p/ x! X' Y7 J8 Y: H0 Y3 {) U[13] Ø Toggle key to activate the phase reverse switch of the desired channel.& V+ d* U/ Q, M$ j) X
[14] MODE Toggle key to select the word length of the DIGITAL OUTput. 20 bit (display:; Z$ y8 u T) o, a% z, O
“20BIT”), 16 bit with dithering (display: “16DI”), or 16 bit with1 Y+ n/ a! q5 ]7 T7 z0 ~( V& D
Noise Shaping (display: “16NS”) can be selected.
- c8 U; O# T0 j* U[15] SYNC Selects the synchronization source for the unit. Possible selections are:
! ~% F7 p% E% {- b3 S. s INT 48 Internal quartz reference, 48 kHz, M* G5 `# v) U9 s
INT 44 Internal quartz reference, 44.1 kHz" e* t# o. w( e5 Y- P2 X
WCLK Selects external Word Clock Sync (flashes if no valid input signal is recognized); ^) E; H# Q! K1 R$ a
AES Selects external AES/EBU Sync (flashes if no valid input signal is recognized)
' O7 l2 q- l; i, B' X7 y1 ] AUTO Selects sources automatically in the sequence AES-WCLK-INT. c2 `2 g) K( e2 [. V3 A9 y3 |
VAR Indication only, active if the external source frequency deviates from 48 or
2 S2 ?. ^& c# E8 x, c& V 44.1 kHz for more than approx. ±3 %.- I9 A8 ]( Y, o" E# L/ T2 M7 O" }
[16] PEAK HOLD Toggle key to select the PEAK HOLD function for the PPM level meters –+ ~( H$ A) ~" ^6 Q+ G$ U+ V: \
either permanently (display: “HOLD”), or with automatic reset after approx. 2 s.
p4 p5 e. J; L6 `4 v[17] SOFT CLIP Toggle key to activate the SOFT CLIP function in the analog paths to reduce1 k# t% D9 P3 C. A$ |$ A) S
the danger of overloading the A/D converter with short signal peaks (if
; ~2 g4 v, ^2 ?3 `3 D: x) s active, the display indicates “SOFT”). Threshold at 3 dB below full-scale," E- p9 J# x2 X$ ~8 {' _0 o
allowing for approx. 6 dB reserve before hard clipping occurs
T5 M/ E; R; O* U0 R+ T7 s1 _
8 U+ M( j6 B- L1 P. F! q ! [( X8 J$ Z& p6 Y
|
|