|
|

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
2 Z5 l* w* c* h: p' H1 q( x
4 h7 o+ A* L. `+ w英文电子说明书% h D+ r$ C- m: ?4 M
[1] POWER Switches the unit on or off. The unit is ready to operate with the factory
+ U, W1 A4 V9 M; V! z* [& U+ d default settings. The subsequent settings remain stored in a Flash EPROM% U( Z {( v: A x1 T% y" G
after switching the unit off (unit contains no battery).
( P W/ L) {% _6 F[2] Input dBu FS Rotary switch for coarse input sensitivity setting in 10 dB steps. OFF position
2 l$ t/ r5 W! v/ q! F8 Z! S between microphone and line sensitivity setting ranges.
" @2 o+ W6 a6 ~" G+ S Mic: Range –40...+20 dBu
) H, h Q& K4 ^3 ?! i) v$ b7 ~) z Line: Range +14 dBu, +24 dBu
: W) S* l% {7 Z7 y! ?( o[3] Fine Gain Potentiometer for fine input sensitivity setting.& s) V/ N0 T7 G7 r. c
Range of additional gain: 0...+15 dB.7 @5 i: \. Z4 N/ i& @5 ^
Headroom: The input sensitivity setting is calibrated in dBu per full-scale. It represents
! k: i! O3 @& A/ Q1 h the dBu value of an analog input signal which causes a full-scale output of
( W* F9 V8 X5 o% n0 _: g n, c the A/D converter.
! D! j7 T6 B2 j: s; k Example: A studio works with +4 dBu nominal analog level and uses 12 dB headroom;3 c6 x e$ U& [$ {+ N% [4 e
the peak level is therefore +16 dBu. The “Input dBu FS” rotary
W9 o4 s( Q3 l# z switch [2] is set to +24 dBu (i.e. gain setting short by 8 dB), and the “Fine; q6 m. G, n5 Z% e" b- A
Gain” potentiometer [3] increases the gain by 8 dB./ w0 K( B, J/ }. \( `
[4]...[6] Valve Dignifier Operative only if the function VALVE [8] is active.+ ^5 D+ E3 ^6 [" W6 K
[4] Bass Warmth The sound of low frequencies becomes rounder; bass has more depth; vocals
+ a3 j, @9 r0 t3 L( z; ]5 A have more body; percussive instruments are less aggressive.3 k9 W% [! y9 m8 n9 @- s
The group delay behaviour due to AC coupling of the stages is different in
! h7 ]$ ~% Y+ G0 w5 y: P, o tube amplifiers.
! }% [/ y4 E; T The “Bass Warmth” control allows to select the frequency range8 a1 Z- K+ Q$ q2 p" v, R% t6 u, B. x: E
(10...200 Hz) within which the effect is active.' e4 R4 @; u; p/ G
[5] Angel Zoom Adds transparency and clarity to vocals; emphasizes the solo instruments.
: e5 e' v, H% E- ^4 ` Valve amps have a characteristic response, mid-frequency harmonic content
' t! `8 c( {9 q' { is emphasized.8 `( E/ t. R# T: x
[6] Valve Drive Gain/Clip Tight, full sound; the sound will be harder/softer., P. C' R8 w% _3 T- \0 e! i
The harmonics spectrum of a delicately overloaded valve amplifier is completely
/ R. f+ f& G2 l O. Y8 p V different from an overloaded transistor stage.
5 K* ], W+ w7 o) ^3 s& b7 y The “Gain” control adjusts a gentle overload while the odd-harmonics content. o) s" i- K$ C: e" H& a+ `) _: @
can be adjusted with the “Clip” control.. p& g( `; F$ O5 X2 ~4 p
[7] Line Out Output level setting, calibrated in dBu per full scale (dBu FS). Range: 4...24
6 A0 b0 k4 P6 V dBu FS.- o4 _1 p/ O5 ?+ }
[8] VALVE Toggle key for inserting the Valve Dignifier stage into the audio path of the
* }( D$ l$ i: W/ X8 M7 Z desired channel.) {% e3 h# V: J$ y- Y6 L" G
The “VALVE” LED is on when the Valve Dignifier stage is active.
- _3 K; u$ o3 w[9] INSERT INSERT function.
H! u) J9 X; S3 [, h: w1 i; @3 r First key pressure: INSERT POST VALVE, the Insert Send is tapped after" b9 j, D- _4 h( }
the valve stage (display: “INS”); the Insert Return is directly fed to the Line
3 R5 r; H- z. [" M8 j. Q2 T3 ] and AES/EBU outputs." ~+ Q, W+ @4 B/ r: i: H
Second key pressure: INSERT PRE VALVE, the Insert Send is tapped before
+ \3 v. Q2 G# S4 @6 F K6 v the valve stage (display: “INS” and “PRE”); the Insert Return is fed via/ Z2 F o$ R% |$ q! f
the valve dignifier stage to the Line and AES/EBU outputs.3 E8 D5 u# N# X+ m
Third pressure: INSERT OFF, the input signal is fed via the valve dignifier
- ]+ h& ?; R/ ?" G5 O stage (if active) to the Line and AES/EBU outputs (also the Insert Send output
, _4 u& i. I8 \2 Q7 U receives this signal; display: none).
4 h! X& d) a7 E Insert Send and Insert Return are electronically balanced and equipped with
4 z) ?+ \7 {" J! Q2 t XLR connectors.; ]% v. d- a- U: r3 p! O
[10] ROUTING Selector for the channel routing when using one of the (optional) TDIF or
: C$ V2 t: ]1 a ADAT digital interfaces. Each input channel can be switched to one of the
- r1 M; f+ ]% X0 _8 n* J: O) F channels 1...8 of the multichannel interface. If desired, also a mono mix is0 ?9 }8 e* {$ {' W# n+ p% Y3 n8 E
possible by selecting the same output channel for both input channels.1 ~4 M+ B- C1 {. R% [ e% k h
[11] 48 V Toggle key to activate the 48 V phantom power supply for the desired microphone
$ k6 p, c) U+ L6 C5 P5 o/ B channel.
. |+ p# C. J, C+ t5 d/ ~: D Can be operated only if the input gain selector is in Mic position. The
4 ?) a) Y4 E. L9 A2 e- @% a setting remains stored when switching over to a line gain setting.0 o! X1 q7 q# H. M+ P
[12] Activates the high pass filter on the microphone inputs of the desired channel.: S& \/ g4 Q, f* C2 _8 L4 n) [# `* W
Cut-off frequency (–3 dB point) 75 Hz, slope 12 dB/octave.; @ r9 M( l3 `2 q4 u
Can be operated only if the input gain selector is in Mic position. The
+ D3 P: Y7 _2 ~7 z$ X setting remains stored when switching over to a line gain setting.
% X4 O, k6 E0 p: v" }& \4 o0 j8 W% o[13] Ø Toggle key to activate the phase reverse switch of the desired channel.
, B v/ O5 A2 @1 |2 Z# r[14] MODE Toggle key to select the word length of the DIGITAL OUTput. 20 bit (display:
9 ?# j, [6 b9 h “20BIT”), 16 bit with dithering (display: “16DI”), or 16 bit with
+ @8 j" W; Y7 Z* Z# Y$ l9 _ B! v) p Noise Shaping (display: “16NS”) can be selected.) V* n* U1 W% P- t) A8 K0 t
[15] SYNC Selects the synchronization source for the unit. Possible selections are:
2 J. R+ ]$ q4 U& E; G4 M9 { INT 48 Internal quartz reference, 48 kHz0 W7 k$ l) a0 I, }+ {# Y' g
INT 44 Internal quartz reference, 44.1 kHz7 V& I. j. K' m% L* X; i+ ` x8 |$ M
WCLK Selects external Word Clock Sync (flashes if no valid input signal is recognized)) g# D+ V7 z% t
AES Selects external AES/EBU Sync (flashes if no valid input signal is recognized)( V) h, a* r. P' n R
AUTO Selects sources automatically in the sequence AES-WCLK-INT
" e& @4 Y7 O. _4 L& i( q VAR Indication only, active if the external source frequency deviates from 48 or
* z% e: c8 g! Y$ R" b) u) w, r 44.1 kHz for more than approx. ±3 %.
7 ^3 ~0 t* m: S+ a s[16] PEAK HOLD Toggle key to select the PEAK HOLD function for the PPM level meters –
# j% @3 B8 k9 \0 ? either permanently (display: “HOLD”), or with automatic reset after approx. 2 s. O$ e) b- U- R) j- v) ?& X
[17] SOFT CLIP Toggle key to activate the SOFT CLIP function in the analog paths to reduce
' v! U! h# n; w/ o% J8 e the danger of overloading the A/D converter with short signal peaks (if
( ^ I& g( g, L8 _6 ^8 w active, the display indicates “SOFT”). Threshold at 3 dB below full-scale,
- w6 q0 E% v! i, C allowing for approx. 6 dB reserve before hard clipping occurs
. D& m. J, m$ A( t5 N) N ; N7 A1 e ]' F8 T0 e
|
|