VSX-LX50
83
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D
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E
1. Set the main volume level to "---dB" then turn off the unit
(Standby
mode).
2. Connect the PC and the unit as shown in "Connections".
3.
HDMI ucom:
• HY model
Simultaneously press and hold the ENTER and
FM/AM keys for about 5seconds.
• KU models
Simultaneously press and hold the ENTER and XM
keys for about 5seconds.
The unit is turned on and "HDMI DOWNLOAD" is
displayed.
MAIN
ucom:
Simultaneously press and hold the ENTER and HDMI
keys for about 5seconds.
The unit is turned on and "MAIN DOWNLOAD" is
displayed.
DSP
ucom:
• HY model
Simultaneously press and hold the ENTER and USB
keys for about 5seconds.
• KU models
Simultaneously press and hold the ENTER and
SIRIUS keys for about 5seconds.
The unit is turned on and "DSPM DOWNLOAD" is
displayed.
4. Double-click the "UFU.e
x
e".
5. Check that "Full" is selected in Mode Select.
6. Select the firmware file (.mot file) for updating each ucom.
Note
: Do NOT download the firmware file for other ucom.
7. Select the communication speed.
•
Basic
speed:
19200
• Data transfer speed: 57600
8. Click the "START" button.
9.
HDMI ucom
: "Completed" is displayed on the "UFU.e
x
e"
window about 1 minute later.
MAIN, DSP ucom
: "Completed" is displayed on the
"UFU.e
x
e" window about 3 minutes later.
10. Disconnect then reconnect the AC power cord of the
unit. If the unit is not reset, retry from step2.
11. Reset the AV receiver.
12. Check the version.
Please refer to "Version indication" (p72) and check that
the version has been changed to a new one.
[Procedures]
[Note]
Do NOT disconnect the AC power cords of this unit and the PC during a downloading.
Note:
Note that all the data the receiver retains will be cleared.
R
esetting t
h
e receiver
Use this procedure to reset all the receiver
’
s settings to
the factory default. Use the front panel controls to do
this.
1 Switc
h
t
h
e receiver into stand
b
y.
2 W
h
ile
h
olding down t
h
e front panel
TO
NE
b
utton,
press and
h
old S
T
ANDB
Y/O
N for a
b
out t
h
ree
seconds.
The display shows
R
ESE
T
?
.
3 Press t
h
e front panel EN
T
E
R
b
utton.
The display shows
R
ESE
T
O
K?
.
4 Press SE
TU
P to confirm.
OK appears in the display to indicate that the receiver
has been reset to the factory default settings.
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