70
SC-LX81
1
2
3
4
A
B
C
D
E
F
1
2
3
4
6. SERVICE MODE
6.1 TEST MODE
The Service mode has three functional blocks (
V
ERSIO
N
block, PROTECT block and DO
WN
LOAD block).
[1] How to Enter The Service Mode
1. Turn off MULTI-ZO
N
E. Lower MASTER
V
OLUME to the minimum (---dB) and turn off the power.
2. After the power-off, press and hold down both the "E
N
TER" key and the "MULTI-ZO
N
E O
N
/OFF" key for approximately
five seconds.
[2] How to Exit The Service Mode
Turning off the power or pressing the RETUR
N
key returns to the normal mode.
[3] Mode Transition Methods For Each of The VERSION Block, PROTECT Block and
DOWNLOAD Block
*If no key is pressed within 10 seconds, the Service mode returns to the normal mode.
Key operation
FL display
V
ERSIO
N
block 1/4
Display MAI
N
/ E
V
E
N
T
microcomputer.
PROTECT block 1/11
Display number of times
DC is detected.
DO
WN
LOAD block 1/7
Display MAI
N
computer
DO
WN
LOAD.
Return to
V
ERSIO
N
block 1/4.
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