Yamaha BD-940 Service Manual page 28

Micro component system mcr-940
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BD-940
● Starting Self-Diagnostic Function
While pressing the "
in the figure below, press the " " (On/Standby) key to turn on the power.
The self-diagnostic function mode is activated.
"
" (On/Standby) key
● Canceling Self-Diagnostic Function
Press the " " (On/Standby) key of this unit to turn off the power.
● History of protection function
When the protection function has worked, its history is stored in a backup memory. Even if no abnormality is noted
while servicing this unit, an abnormality which has occurred previously can be defined as long as the backup data
has been stored.
The history of the protection function is initialized when self-diagnostic function is cancelled by selecting main menu
No. 3 PROTECTION HISTORY CLEAR or when the backup data is erased.
● Operation procedure of Main menu and Sub-menu
There are 7 main menu items, each of them having sub-menu items.
Main menu selection
Select the menu using the "
"
" (Skip/Search reverse) keys of this unit.
Sub-menu selection
Select the sub-menu using the "
28
" (Skip/Search reverse) and "
Keys of this unit
While pressing these keys, press the "
1 1 N O N E           0
" (Skip/Search forward) and
" (PLAY/PAUSE) key of this unit.
" (Skip/Search forward) keys of this unit as shown
" (On/Standby) key to turn on the power.
Display
Main menu display
Reverse
Sub-menu select
Forward
Main menu select

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