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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 9 X! n0 g) p H6 {! z# V7 ?
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英文电子说明书
" k6 Z1 U* D" N* A5 w[1] POWER Switches the unit on or off. The unit is ready to operate with the factory# a5 x% ]; {% ^, F N8 N
default settings. The subsequent settings remain stored in a Flash EPROM
4 i" ]) X6 ?- j+ x1 \9 B after switching the unit off (unit contains no battery).0 q1 X# g, x4 D- g" f U
[2] Input dBu FS Rotary switch for coarse input sensitivity setting in 10 dB steps. OFF position9 M+ l8 P( L/ k$ k$ b. |- \9 l
between microphone and line sensitivity setting ranges.8 l9 l0 j+ J3 n
Mic: Range –40...+20 dBu4 x# ]) ]# n8 ?+ ^
Line: Range +14 dBu, +24 dBu2 g; F" l2 O: K( }5 z$ w& z0 A2 D
[3] Fine Gain Potentiometer for fine input sensitivity setting.
5 b/ y5 G' I" D$ T Range of additional gain: 0...+15 dB.
9 a7 n1 M- X" A; J& [, I! N' _ Headroom: The input sensitivity setting is calibrated in dBu per full-scale. It represents
- _& }% q( Y; n- u0 E7 E the dBu value of an analog input signal which causes a full-scale output of
: e5 l4 j: u5 g1 R, E7 y the A/D converter.
+ S2 \/ `& y* k( Z% G! A Example: A studio works with +4 dBu nominal analog level and uses 12 dB headroom;; j0 }3 T0 h! G/ K H2 e6 l
the peak level is therefore +16 dBu. The “Input dBu FS” rotary. ?9 N+ W! P# i) C
switch [2] is set to +24 dBu (i.e. gain setting short by 8 dB), and the “Fine* J6 J$ d$ W" Q5 x9 r8 M$ j
Gain” potentiometer [3] increases the gain by 8 dB.
) V% k2 I/ [5 b: a* x4 `[4]...[6] Valve Dignifier Operative only if the function VALVE [8] is active.- V" v8 ^4 s( x7 Q# K2 u
[4] Bass Warmth The sound of low frequencies becomes rounder; bass has more depth; vocals
5 Z$ s$ ^6 E6 j: b% w0 R0 _ have more body; percussive instruments are less aggressive.
$ D$ i2 }( i3 }0 [, Y+ A The group delay behaviour due to AC coupling of the stages is different in
2 n9 Q$ B" a4 @* ]$ V0 }3 M3 f tube amplifiers.
1 x8 _/ T4 L5 s3 ]* T/ ?5 x* {4 a The “Bass Warmth” control allows to select the frequency range: A5 v B7 S0 U/ W. }+ l
(10...200 Hz) within which the effect is active.
6 Q! ]3 P/ z) Y& X8 O[5] Angel Zoom Adds transparency and clarity to vocals; emphasizes the solo instruments.
& K% r9 h( B4 H- ~3 i8 p* k Valve amps have a characteristic response, mid-frequency harmonic content# h' V/ ]& t- R$ \
is emphasized.8 ^: Q$ d$ \5 F5 Y+ V8 k4 @; n
[6] Valve Drive Gain/Clip Tight, full sound; the sound will be harder/softer.
1 D3 \8 ], v# L) u1 M The harmonics spectrum of a delicately overloaded valve amplifier is completely
c( x# i+ \9 j6 X% E different from an overloaded transistor stage.
6 K9 Q$ F5 }) R7 D9 E. F# R6 B9 } The “Gain” control adjusts a gentle overload while the odd-harmonics content
* K5 _ @- f- T- ^. M, [7 b can be adjusted with the “Clip” control.
$ |. T+ c0 t! g( n" K% z[7] Line Out Output level setting, calibrated in dBu per full scale (dBu FS). Range: 4...24
K$ h! Q6 m; R5 G dBu FS.
$ J! b+ v/ [6 |9 p" U" t; _3 H2 p[8] VALVE Toggle key for inserting the Valve Dignifier stage into the audio path of the
2 b( R4 e) o! k7 y7 A& ?- E desired channel.+ ]: v; B' w) B" p$ G& X, B
The “VALVE” LED is on when the Valve Dignifier stage is active.; ?4 q+ E1 k8 y( f' K7 F
[9] INSERT INSERT function.
3 M3 Q: C5 P4 q, M/ B First key pressure: INSERT POST VALVE, the Insert Send is tapped after/ @$ O/ R( V* T
the valve stage (display: “INS”); the Insert Return is directly fed to the Line
3 I$ Y6 N6 ?) t6 h, t; S4 Z and AES/EBU outputs.
9 |# N7 r5 v5 |+ l3 S Second key pressure: INSERT PRE VALVE, the Insert Send is tapped before
o J* x' \6 h# ]1 ] the valve stage (display: “INS” and “PRE”); the Insert Return is fed via
4 Z2 K( l X9 Q) Z! W/ M' c$ z+ {' y) C the valve dignifier stage to the Line and AES/EBU outputs.
- i0 c4 t+ U5 h. k6 w. Y Third pressure: INSERT OFF, the input signal is fed via the valve dignifier
: H( q: n4 J$ B+ u' K1 R stage (if active) to the Line and AES/EBU outputs (also the Insert Send output" r8 Q( B) K- \/ z' R2 t
receives this signal; display: none).) c1 l l, J/ N) n
Insert Send and Insert Return are electronically balanced and equipped with$ J9 ~7 T# {4 B# W
XLR connectors.: Q) ^# p; J6 L: r8 t- P8 l$ {
[10] ROUTING Selector for the channel routing when using one of the (optional) TDIF or" T4 [1 [1 ]( p$ Q
ADAT digital interfaces. Each input channel can be switched to one of the
+ X" S2 U% \6 s channels 1...8 of the multichannel interface. If desired, also a mono mix is
9 R, V) v {8 E7 ^! k possible by selecting the same output channel for both input channels.) e0 h: O/ I$ T' z$ c: Z# C! I
[11] 48 V Toggle key to activate the 48 V phantom power supply for the desired microphone
4 B' q3 V5 [7 T: k- ?' M channel.
0 m1 r1 ^4 H! z! ]# p) T. W9 h Can be operated only if the input gain selector is in Mic position. The
. j2 H+ u7 C# T1 Z* S+ A setting remains stored when switching over to a line gain setting.
`* G6 W9 N; _ ?9 ^[12] Activates the high pass filter on the microphone inputs of the desired channel.
$ w& e V" N) x1 a Cut-off frequency (–3 dB point) 75 Hz, slope 12 dB/octave.
3 ^) M/ u; h/ f3 [9 u, j Can be operated only if the input gain selector is in Mic position. The+ f* G Y0 N) `: S7 W+ P5 E% k! F
setting remains stored when switching over to a line gain setting.
E/ `' l7 {$ G7 u4 E[13] Ø Toggle key to activate the phase reverse switch of the desired channel.
0 n2 D) H4 V5 Q6 x) Q; Z3 b/ Q[14] MODE Toggle key to select the word length of the DIGITAL OUTput. 20 bit (display:7 Y" o) C* l& j9 \4 i
“20BIT”), 16 bit with dithering (display: “16DI”), or 16 bit with
3 b+ L& J* c- i- J$ S Noise Shaping (display: “16NS”) can be selected.
/ X; R: }1 |/ @% q[15] SYNC Selects the synchronization source for the unit. Possible selections are:4 V. J) @1 y, K, V( e
INT 48 Internal quartz reference, 48 kHz
( |. V+ s& l9 j" G INT 44 Internal quartz reference, 44.1 kHz
4 k' f3 U; l$ k7 s WCLK Selects external Word Clock Sync (flashes if no valid input signal is recognized): C y2 O* K# }, ~* X& P
AES Selects external AES/EBU Sync (flashes if no valid input signal is recognized)* H9 r; d, r, G9 U0 r
AUTO Selects sources automatically in the sequence AES-WCLK-INT
5 o$ ^ @+ k; e; {" @: L7 \ VAR Indication only, active if the external source frequency deviates from 48 or6 y4 M# p0 m2 U# ~. V3 m
44.1 kHz for more than approx. ±3 %.
# J& l c, I- J, ^[16] PEAK HOLD Toggle key to select the PEAK HOLD function for the PPM level meters –: `, a$ A, Y9 r5 n2 d
either permanently (display: “HOLD”), or with automatic reset after approx. 2 s.* [) w8 q: l1 {/ V3 a
[17] SOFT CLIP Toggle key to activate the SOFT CLIP function in the analog paths to reduce7 M" a& @; |/ Q; u3 e
the danger of overloading the A/D converter with short signal peaks (if
0 k6 p5 @7 Q' o/ h# J active, the display indicates “SOFT”). Threshold at 3 dB below full-scale,
/ [; H5 B( f/ w3 q/ C& t: W allowing for approx. 6 dB reserve before hard clipping occurs
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