Yamaha RX-V681 Service Manual page 69

S1. FIRMWARE UPDATE
Not for service.
S2. SET INFORMATION
The model name and destination of this unit are displayed.
S2-1. MODEL
The model name of this unit is displayed.
S2-2. DESTINATION
The destination of this unit is displayed.
S3. FACTORY PRESET
This menu is used to reserve/inhibit initialization of the back-up IC (EEPROM: IC82 on DIGITAL P.C.B.).
CAUTION: Before setting to the PRESET RESERVED, write down the existing preset memory content of the tuner. (This is
because setting to the PRESET RESERVED will cause the user memory content to be erased.)
S3-1
PRESET:INH
S3-1
PRESET:RSRV
S1-1
F/W UPDATE?
S2-1
MDL:V681
S2-2
DEST:U
S3-1. PRESET INHIBIT (Initialization inhibited)
Initialization of the back-up IC is not executed. Select this sub-menu to protect the values set
by the user.
S3-2. PRESET RESERVED (Initialization reserved)
Initialization of the back-up IC is reserved. (Actual initialization is executed when the power is
turned on next.) To reset to the original factory settings or to reset the backup IC, select this
sub-menu and press the "MAIN ZONE z" key to turn off the power.
255
Not for service
Model name
V681 : RX-V681
A760 : RX-A760
28
Not for service
Destination
RX-V681/RX-A760
69