ACD1
94
PR
OGRAM
BOO
T
If switches specified for a mode are held down
CPU processing sequence
LCD screen indication
Power ON (Reset)
SDRAM initialization
CPU Reset Cancel (Starts with FlashROM)
Sends Boot and Program to SDRAM
Starts operation of Boot with SDRAM
Initializes internal device and external device
Initializes external device
Creates internal drive
Scene recall
Starts tasks
Completion of basic startup sequence
Normal screen indication
YAMAHA ACD1
000:
Copyright 200
8
YAMAHA
AmpControlDevice
YAMAHA ACD1
Lights up LCD backlight
Starts Program
Changes LCD display
Switch check
• Goes to Diagnostics mode
• Goes to OS Update mode
If switches specified for a mode are held down
Switch check
• Goes to Initialization screen
• Goes to Format screen
If the firmware of the VNP1 is updated
VNP1 Update check
(VNP1: Network control IC)
Executes VNP1 update
If the checksum is wrong
Checks Program checksum
• Goes to OS Update mode
If no MAC address is set
MAC Address check
Illegal MAC Adr
If the level of the lithium battery is low
Battery check
No Battery
Critical Battery
Low Battery
SEQUENCE WHEN POWER IS TURNED ON
