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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 8 T- {) @* I# @$ z4 p% {
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' B0 s1 r( E) f4 T4 ?5 [7 p英文电子说明书
2 D; Q, l, A) J- I& d# K[1] POWER Switches the unit on or off. The unit is ready to operate with the factory
2 g0 s0 i1 E( F! w3 r default settings. The subsequent settings remain stored in a Flash EPROM
9 d2 g8 ^* d3 u0 `' P7 |, C8 W after switching the unit off (unit contains no battery).) X6 ?; j1 }# I2 z" Z& O/ _+ E) K
[2] Input dBu FS Rotary switch for coarse input sensitivity setting in 10 dB steps. OFF position
8 i2 N" y9 W: ^ between microphone and line sensitivity setting ranges.
& ]1 y& E6 a3 X Mic: Range –40...+20 dBu
( k8 W& [/ z5 m O9 {! K Line: Range +14 dBu, +24 dBu9 e6 Z: i2 {* l& [. d
[3] Fine Gain Potentiometer for fine input sensitivity setting.
5 _4 C7 Z3 B8 S0 ? Range of additional gain: 0...+15 dB." {" I' ]+ L5 w
Headroom: The input sensitivity setting is calibrated in dBu per full-scale. It represents
6 a# H- }/ f8 K$ W- F7 s/ U) f the dBu value of an analog input signal which causes a full-scale output of
- T/ O0 w- ]6 E7 D the A/D converter.
' T- V- g4 f! N' x Example: A studio works with +4 dBu nominal analog level and uses 12 dB headroom;
1 P# \. A& D/ f+ H, N! Z& G9 K9 Y the peak level is therefore +16 dBu. The “Input dBu FS” rotary
4 W# _: E& b+ s, ~ switch [2] is set to +24 dBu (i.e. gain setting short by 8 dB), and the “Fine, L" Y$ Q# `, S$ ?) L' T }6 l
Gain” potentiometer [3] increases the gain by 8 dB.4 @' P0 T: W4 {; {1 S
[4]...[6] Valve Dignifier Operative only if the function VALVE [8] is active. c) w3 t! H0 a9 R. p% v
[4] Bass Warmth The sound of low frequencies becomes rounder; bass has more depth; vocals
% x: ~- D1 r1 W have more body; percussive instruments are less aggressive.
' @% _1 O7 v4 U; S, L: S8 P The group delay behaviour due to AC coupling of the stages is different in2 `+ z( J \8 Q1 Y \. Q2 }6 a
tube amplifiers.( ~9 E5 ]) ?* p( a Z
The “Bass Warmth” control allows to select the frequency range8 b9 p5 {1 D& W1 a
(10...200 Hz) within which the effect is active.! B! W4 b: C: {: j9 u: y
[5] Angel Zoom Adds transparency and clarity to vocals; emphasizes the solo instruments.
: s$ E4 Y& `9 H Valve amps have a characteristic response, mid-frequency harmonic content
; \$ Y3 }1 A5 w) V, A' I2 y ^# W is emphasized.
* F7 B1 R9 q5 x3 U7 A[6] Valve Drive Gain/Clip Tight, full sound; the sound will be harder/softer.
* j4 u5 t8 ?2 L# Y2 b The harmonics spectrum of a delicately overloaded valve amplifier is completely
n2 R7 a2 E6 J) S5 O w different from an overloaded transistor stage.6 }: U; j& R2 F" A) ~
The “Gain” control adjusts a gentle overload while the odd-harmonics content
, r& |/ [3 u; H. N1 R can be adjusted with the “Clip” control.
' C( I4 Y3 [' A[7] Line Out Output level setting, calibrated in dBu per full scale (dBu FS). Range: 4...24
% U4 C/ ]2 i* c# U8 r- a dBu FS.
+ V" x1 C' _. W+ H& E[8] VALVE Toggle key for inserting the Valve Dignifier stage into the audio path of the0 t8 Y) V2 p: a/ v0 J
desired channel." y/ J. E d5 S L
The “VALVE” LED is on when the Valve Dignifier stage is active.* A/ L" h! c; I z v
[9] INSERT INSERT function. i2 `* q( O9 x* g
First key pressure: INSERT POST VALVE, the Insert Send is tapped after
* \$ b3 C4 E, m$ {' b5 v the valve stage (display: “INS”); the Insert Return is directly fed to the Line! Q* X1 L% Y- q( U9 j
and AES/EBU outputs.
4 P0 J$ t; {3 T! P" u$ _: n Second key pressure: INSERT PRE VALVE, the Insert Send is tapped before- |: s" t5 R* a5 F0 E2 e# K
the valve stage (display: “INS” and “PRE”); the Insert Return is fed via
4 v& b! l8 \! o the valve dignifier stage to the Line and AES/EBU outputs.
: c' C- H) f+ Q: O: L+ a Third pressure: INSERT OFF, the input signal is fed via the valve dignifier
! [! R* V; i/ M8 k+ p9 H# Z stage (if active) to the Line and AES/EBU outputs (also the Insert Send output
- K4 y: r6 k$ g% m receives this signal; display: none).0 E0 @# n0 V: l4 K5 d; f- f
Insert Send and Insert Return are electronically balanced and equipped with C7 m/ m; @5 u
XLR connectors.( @4 Z5 D/ d( S* O
[10] ROUTING Selector for the channel routing when using one of the (optional) TDIF or
. }* `% l$ r8 F' F" [/ n3 L( O ADAT digital interfaces. Each input channel can be switched to one of the
( A" L6 y$ v/ [8 n- i channels 1...8 of the multichannel interface. If desired, also a mono mix is' |9 F7 x5 D$ e. N/ n+ M3 n* e* _
possible by selecting the same output channel for both input channels.
, L3 m9 i, y. \) w- W[11] 48 V Toggle key to activate the 48 V phantom power supply for the desired microphone
2 r: t4 P" P1 m- u channel.- A' j# h$ Q2 N
Can be operated only if the input gain selector is in Mic position. The
$ h, s% \% \" k setting remains stored when switching over to a line gain setting.
. n( l& j6 E; \9 A% S- M# X: m* j& I[12] Activates the high pass filter on the microphone inputs of the desired channel.
! D) u9 u/ Q8 D+ b5 N* y+ _0 V1 b Cut-off frequency (–3 dB point) 75 Hz, slope 12 dB/octave.
9 i& `! I8 V( h. N% N3 n# t Can be operated only if the input gain selector is in Mic position. The
) _& N& ~2 ^9 V( p& Z) N$ \2 X) K3 g setting remains stored when switching over to a line gain setting.9 X3 d9 ~1 i0 N
[13] Ø Toggle key to activate the phase reverse switch of the desired channel.
1 q& O- x1 R/ g u1 B3 v8 V& h[14] MODE Toggle key to select the word length of the DIGITAL OUTput. 20 bit (display: j; x" R, ~0 h" r
“20BIT”), 16 bit with dithering (display: “16DI”), or 16 bit with
% e* u0 T- H) e* ]" _- l/ h Noise Shaping (display: “16NS”) can be selected.
% z+ O8 o$ ?; C# m* g3 {/ r[15] SYNC Selects the synchronization source for the unit. Possible selections are:9 |4 [# |" U" _1 T2 T' G/ i8 Z
INT 48 Internal quartz reference, 48 kHz
& A2 l4 w! ?1 n INT 44 Internal quartz reference, 44.1 kHz
0 M( p" |/ ~. n8 ^# ^, \ WCLK Selects external Word Clock Sync (flashes if no valid input signal is recognized): S. Q/ c( O6 J# H+ b8 }
AES Selects external AES/EBU Sync (flashes if no valid input signal is recognized)
* G8 c$ X. W' y/ R AUTO Selects sources automatically in the sequence AES-WCLK-INT& }1 {/ L8 ?- R7 c9 y( v! V( s
VAR Indication only, active if the external source frequency deviates from 48 or
6 K6 `* i O4 b x" Q5 l 44.1 kHz for more than approx. ±3 %.
n8 K1 c; V# l% ~[16] PEAK HOLD Toggle key to select the PEAK HOLD function for the PPM level meters –" }4 V6 M4 s% a9 C8 h2 l
either permanently (display: “HOLD”), or with automatic reset after approx. 2 s.+ r' }" k: f% L
[17] SOFT CLIP Toggle key to activate the SOFT CLIP function in the analog paths to reduce+ O; C/ G* u8 g" c0 {" v: y
the danger of overloading the A/D converter with short signal peaks (if
9 s: `( F; w9 D+ i# d: J& f4 e. L- j active, the display indicates “SOFT”). Threshold at 3 dB below full-scale,8 H! x2 y$ y1 E( u7 B, \% a
allowing for approx. 6 dB reserve before hard clipping occurs
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