|
|

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
4 A( m- [+ d ]/ d. R6 }1 H: n; \5 ~; |9 S) O) ?* R
英文电子说明书
+ e: W3 }0 {* j0 S) m+ w3 @8 C5 r[1] POWER Switches the unit on or off. The unit is ready to operate with the factory, ^: c4 t' k8 y! L- ~! \
default settings. The subsequent settings remain stored in a Flash EPROM6 w1 \5 b" I0 J2 c! f+ p) z
after switching the unit off (unit contains no battery).$ ~7 ]! N6 j. ^1 h7 p& n
[2] Input dBu FS Rotary switch for coarse input sensitivity setting in 10 dB steps. OFF position: M( G# O9 A- y2 j+ @" |8 r
between microphone and line sensitivity setting ranges.
* p0 W. h, T- M/ U, @ Mic: Range –40...+20 dBu( P/ a0 q! t* t" d
Line: Range +14 dBu, +24 dBu
% J. x3 m. P4 f W[3] Fine Gain Potentiometer for fine input sensitivity setting.* y/ G. c/ E, {+ {5 `2 `
Range of additional gain: 0...+15 dB., Z; A2 C2 C1 m
Headroom: The input sensitivity setting is calibrated in dBu per full-scale. It represents
# y9 E) L" t4 l2 T the dBu value of an analog input signal which causes a full-scale output of$ _( m+ u% ^1 \2 G# H2 y
the A/D converter.5 E: f+ m* q `5 t6 a5 N
Example: A studio works with +4 dBu nominal analog level and uses 12 dB headroom;
# J/ d" C5 p6 N$ o w the peak level is therefore +16 dBu. The “Input dBu FS” rotary
; [* ]! a* Y, D, u switch [2] is set to +24 dBu (i.e. gain setting short by 8 dB), and the “Fine* s3 f+ {6 N. z4 G# n/ e' F
Gain” potentiometer [3] increases the gain by 8 dB.) P9 Y5 S2 o( _1 d) A" O- V
[4]...[6] Valve Dignifier Operative only if the function VALVE [8] is active.
4 ?( Q- u8 t' G7 |[4] Bass Warmth The sound of low frequencies becomes rounder; bass has more depth; vocals
* N* q1 p; a k have more body; percussive instruments are less aggressive.
( f- P* c8 ^! Z% o The group delay behaviour due to AC coupling of the stages is different in' q$ o, Q* ?+ C5 J' D+ ~, }, w( w
tube amplifiers.% x' x! \ O0 V; X9 Y
The “Bass Warmth” control allows to select the frequency range
. ?0 e6 G4 ]/ c$ z2 f (10...200 Hz) within which the effect is active.+ ?5 G6 k. |' i& J+ f
[5] Angel Zoom Adds transparency and clarity to vocals; emphasizes the solo instruments.
7 W# L( S/ I F9 y/ h R: E Valve amps have a characteristic response, mid-frequency harmonic content9 _: x$ P* u, B0 l' O
is emphasized.
& _2 W0 d* r7 q9 V6 O9 v[6] Valve Drive Gain/Clip Tight, full sound; the sound will be harder/softer.
# N* c/ }6 H( U' w3 d/ F The harmonics spectrum of a delicately overloaded valve amplifier is completely. P4 p& ? C9 X7 w% t9 G8 ?
different from an overloaded transistor stage., U* P! ?" t h0 w; R4 i/ \
The “Gain” control adjusts a gentle overload while the odd-harmonics content
4 ?7 ?1 {; n8 s8 m/ k6 W+ q can be adjusted with the “Clip” control.1 K3 K& \' T9 C" B
[7] Line Out Output level setting, calibrated in dBu per full scale (dBu FS). Range: 4...24, \7 n6 b3 H+ b& R) X
dBu FS.
7 D7 W8 u3 O, G+ F6 R[8] VALVE Toggle key for inserting the Valve Dignifier stage into the audio path of the
$ N8 A8 K6 k3 R% v! v desired channel.
% E" A! t; f8 c4 `' e. h The “VALVE” LED is on when the Valve Dignifier stage is active.) m' Y. G- r# T2 |+ o) E2 B. {! v4 p
[9] INSERT INSERT function.. i2 a+ @! x! h1 t A- I
First key pressure: INSERT POST VALVE, the Insert Send is tapped after
3 M) c3 M( a! S the valve stage (display: “INS”); the Insert Return is directly fed to the Line
8 K9 q0 N5 A& z, D3 M7 b( R and AES/EBU outputs.
0 ?; o6 t, ?3 C9 E0 `) H Second key pressure: INSERT PRE VALVE, the Insert Send is tapped before
$ o. |1 D) S* j: a" `: ?3 _ the valve stage (display: “INS” and “PRE”); the Insert Return is fed via
6 ~: U( O& k, l* z$ C7 }: } the valve dignifier stage to the Line and AES/EBU outputs.
2 G9 _) N! ?8 T2 D, n( O Third pressure: INSERT OFF, the input signal is fed via the valve dignifier
X- K; E% f4 c. u stage (if active) to the Line and AES/EBU outputs (also the Insert Send output1 ?0 g* P: |3 q6 @. ~- u: L; A, ]
receives this signal; display: none).
/ U# P% a5 P a! [, ~ Insert Send and Insert Return are electronically balanced and equipped with
/ Y2 ~% X$ g' H E8 a" { XLR connectors." W. K* \/ ?* t# O$ I
[10] ROUTING Selector for the channel routing when using one of the (optional) TDIF or
* e: U9 A( q, r* z: I/ Y ADAT digital interfaces. Each input channel can be switched to one of the6 \' g% K% a) z! c% J- V- e4 Y
channels 1...8 of the multichannel interface. If desired, also a mono mix is0 Y8 `* F1 N$ e
possible by selecting the same output channel for both input channels.
0 I+ T1 @0 r: z& ]% K7 L1 z3 O[11] 48 V Toggle key to activate the 48 V phantom power supply for the desired microphone
' t8 u) \, ]' @, u g- T+ U channel.0 f$ i3 y" N- G- f5 h
Can be operated only if the input gain selector is in Mic position. The3 m9 |# w9 F% A* B* K( [
setting remains stored when switching over to a line gain setting.
) L- s2 ^7 Z! ~5 A* @[12] Activates the high pass filter on the microphone inputs of the desired channel.
4 }& B0 K4 v1 v; y Cut-off frequency (–3 dB point) 75 Hz, slope 12 dB/octave.
( M/ Z+ o! l. S Can be operated only if the input gain selector is in Mic position. The, y5 u# N% z' |! v
setting remains stored when switching over to a line gain setting.
* q I* V, w' r3 f7 V[13] Ø Toggle key to activate the phase reverse switch of the desired channel.
$ _: x, E& _7 m; O* V[14] MODE Toggle key to select the word length of the DIGITAL OUTput. 20 bit (display:
4 F' d# ~; k6 w7 g “20BIT”), 16 bit with dithering (display: “16DI”), or 16 bit with+ A2 q$ A$ O0 z
Noise Shaping (display: “16NS”) can be selected.
8 J1 ^# a* ~8 G; Z' [" N) W; [- s3 ~[15] SYNC Selects the synchronization source for the unit. Possible selections are:
% l, I1 q9 s; d3 _3 ?2 [& p8 D9 { INT 48 Internal quartz reference, 48 kHz) P' s/ e/ b/ w
INT 44 Internal quartz reference, 44.1 kHz
$ L2 L5 b, C. C0 ^$ t: B$ ?0 [; N WCLK Selects external Word Clock Sync (flashes if no valid input signal is recognized)) C3 |! }) C( |5 Y# k1 ~2 t
AES Selects external AES/EBU Sync (flashes if no valid input signal is recognized)+ e2 ^& I- d4 r6 T* s$ S
AUTO Selects sources automatically in the sequence AES-WCLK-INT* ]& q& {$ Q h; ^6 Q; f7 s8 S
VAR Indication only, active if the external source frequency deviates from 48 or4 w1 ?/ i$ g; X# q4 d- K
44.1 kHz for more than approx. ±3 %.
d4 @% L9 K' A9 g0 x2 q[16] PEAK HOLD Toggle key to select the PEAK HOLD function for the PPM level meters –2 f4 U h+ P4 ~" B$ Y% ? ^
either permanently (display: “HOLD”), or with automatic reset after approx. 2 s.
: A* W! D" v5 X; ?0 @$ U[17] SOFT CLIP Toggle key to activate the SOFT CLIP function in the analog paths to reduce% F' t! f- i# e7 x
the danger of overloading the A/D converter with short signal peaks (if- n' x( Y& m; t$ x- c: h+ u9 u; x
active, the display indicates “SOFT”). Threshold at 3 dB below full-scale,6 S3 \3 ]1 B3 O7 u! `
allowing for approx. 6 dB reserve before hard clipping occurs
! l. e- s5 {+ I3 K
6 X% z4 u0 o) u+ ^% K4 o7 O |
|