Korg A4 - User Interface Checks

<4.
SWITCH
AND
LED
CHECK
>
(1)
This
test
item
covers the
switches
and
LEDs.
(2)
Press each
of
the
switches
in
the
order
below to
confirm
that
the
corresponding
LED
lights
up.
DISPLAY
For
A4
GTR
SW
LED
For
A4
BASS
SW
LED
Pl-1
[1
COMPRESSOR]
<1
COMPRESSOR>
[1
COMP-DYNA EX]
<1
COMP-DYNA
EX>
PI—
2
[2
DIST/OD]
<2
DIST/OD>
[2
6
BAND EQ]
<2
6
BAND
EQ>
PI—
3
[3
3
BAND
EQ]
<3
3
BAND
EQ>
[3
SYNTH
BASS]
<3
SYNTH
BASS>
PI—
4
[4
PITCH-DELAY]
<4
PITCH
- DELAY>
[4
DELAY]
<4
DELAY>
PI—
5
[5
CHORUS/FLANGER]
<5
CH0RUS/FLANGER>[5
CHORUS/FLANGER]
<5
CHORUS/FLANGER:
P 1
—6
[6
REVERB]
<6
REVERB>
[6
REVERB]
<6
REVERB>
Pl-7
[BYPASS-TUNE]
<BYPASS-TUNE>
[BYPASS
-TUNE]
<BYPASS-TUNE>
PI—
8
[MODEY]
<[!]>
[MODEY]
<[1]>
PI—
9
[MODEY]
<[2]>
[MODEY]
<[2]>
Pl-10
[MODEY]
<[3]>
[MODEY]
<[3]>
Pl-11
[MODEY]
<[4]>
[MODEY]
<[4]>
PI—
12 [MODEA]
<[
]> [MODEA]
<[
]>
PI—
13
[MODEA]
<[5]>
[MODEA]
<[5]>
PI—
14 [MODEA]
<[6]>
[MODEA]
<[6]>
PI—
15 [MODEA]
<[7]>
[MODEA]
<[7]>
Pl-16
[USER/PRESET]
<USER>
[USER/PRESET]
<USER>
Pl-17
[WRITE]
<-50>
[WRITE]
<-50>
PI—
18
[WRITE]
<-50-0>
[WRITE]
<-50-0>
PI—
19
[WRITE]
<0>
(Green)
[WRITE]
<0>
(Green)
PI
-20
[WRITE]
<0-+50>
[WRITE]
<0-+50>
PI—
21
[WRITE]
<+50>
[WRITE]
<+50>
PI
-22
[PROG
EDIT]
[PROG]
[PROG
EDIT]
[PROG]
PI -23
[BANK
UP]
[EDIT]
[BANK UP]
[EDIT]
(3)
When
[WRITE]
is
pressed,
the
test
function
checks
whether
the
panel
display
(7-segment
LEDs)
lights up in
the
sequence
shown
below.
SWITCH
MAT
RIX
FOR A4
GTR
SWLO(POO)
SWLl(POl)
SWL2(P02)
SWL3(P03)
SWD0(P04)
USER
/PRESET
WRITE
PROG/EDIT
BYP/TUN
BANK
UP
SWDKP05)
CH/FL
PEDAL
REVERB
PEDAL
PEDAL
PIT/DLY
SWD2(P06)
DIST/OD
PEDAL
3BAND
EQ
PEDAL
PEDAL
COMP
SWD3(P07)
MODE UP
MODE
DOWN
PEDAL
13