Audio Check MODE (External check 8)
This is the bypass mode which the signal of input is sent to the output (including HEAD PHONES,
S/P DIF).
The step is changed by CH3 and CH4. The signal route and the circuit setting are different by the
step.
STEP BANK LED LCD Routing
(DSP Mode, Return, Level L->L, R->L, L->R, R->R)
1 “b1” D R-LR For Output circuit check(Digital Thru, Return=Off, 0,1,0,1 )
(L)=> D/A=> L OUT
NORM CH(R)=> A/D=> DSP(R)=> D/A=> R OUT
2 “b2” D S R-LR For RETURN circuit check ( Digital Thru, Return=ON, 0,1,0,1 )
(L)=> D/A=> L OUT
NORM CH(R)=> SEND => RETURN => A/D=> DSP1(R)=> D/A=> R OUT
3 “b3” D LR-LR For Input circuit check (Digital Thru, Return=Off, 1,0,0,1 )
GAIN CH(L)=> A/D=> DSP(L)=> D/A=> L OUT
NORM CH(R)=> A/D=> DSP(R)=> D/A=> R OUT
4 “b4” A CLS A For vacuum tube circuit check (Analog Thru, Return=Off, 0,1,0,1)
(Class A, FeedBack=off, Resonance=off)
(L)=> D/A=> TUBE=> A/D=> DSP=> D/A=> L OUT
NORM CH(R)=> A/D=> DSP(R)=> D/A=> THRU=> A/D=> DSP=> D/A=> R OUT
5 “b5” A CLS AB For vacuum tube circuit check (Analog Thru, Return=Off, 0,1,0,1)
(Class AB, FeedBack=off, Resonance=off)
(L)=> D/A=> TUBE=> A/D=> DSP=> D/A=> L OUT
NORM CH(R)=> A/D=> DSP(R)=> D/A=> THRU=> A/D=> DSP=> D/A=> R OUT
6 “b6” A AB FBK For vacuum tube circuit check (Analog Thru, Return=Off, 0,1,0,1)
(Class AB, FeedBack=on, Resonance=off)
(L)=> D/A=> TUBE=> A/D=> DSP=> D/A=> L OUT
NORM CH(R)=> A/D=> DSP(R)=> D/A=> THRU=> A/D=> DSP=> D/A=> R OUT
7 “b7” A AB RES For vacuum tube circuit check (Analog Thru, Return=Off, 0,1,0,1)
(Class AB, FeedBack=on, Resonance=on)
(L)=> D/A=> TUBE=> A/D=> DSP=> D/A=> L OUT
NORM CH(R)=> A/D=> DSP(R)=> D/A=> THRU=> A/D=> DSP=> D/A=> R OUT