Sony STR-DN850 Service Manual page 22

STR-DN850
HISTORY MODE
The state that the set is used is memorized.
Procedure:
1. While pressing [SPEAKERS] and [DISPLAY] buttons
simultaneously, press the [
?/1
"HISTORY" is displayed.
2. Each time the [ M ] [ m ] key of remote commander is pressed,
the item is switched in order as follows.
Items
Protector Count C O U
Total Power ON time T x
Main Power On M x
Protector type P R O T
Sound Field S N D
Function
Input Mode I
Digital Select D I
Stream S T
Channel Confi g C O N F
Headphone H E
Volume V O L
Muting M U T
Front Bass F
Front Treble F
Center Bass C
Center Treble C
Surround Bass S
Surround Treble S
Front Height Bass H
Front Height Treble H
Front Level F
Center Level C
Surround Level S
Surround Back Level B
Front Height Level H
Temperature T E
Total Power On T x
Main Power On M x
Power On Count R E
22
] button to turn on the power and
Display
N T x x
x x x x H x x
x x x x H x x
x x x x
F I E L D
F U N C T I O N
N P M O D E
G S E L E C T
R E A M I N F
x x x x
A D P H x x
: x x
I N G : x x
B x x
T x x
B x x
T x x
B x x
T x x
B x x
T x x
x x x / x x
x x x / x x
x x x / x x
x x x / x x
x x x / x x
M P :
x x x x H x x
x x x x H x x
B O X : x x
USB UPDATE TEST MODE
To update micontroller software through USB.
Procedure:
1. Copy the zip file into a blank USB memory, then unzip it.
Finally the USB memory directory look like below (example):
E : \ info
E : \ ST006
2. Power on set. Change input to USB function, then connect
USB memory. FL display will appear "PLEASE WAIT". Wait
until FL become "READING" or blank.
3. Holding front panel key [DISPLAY], press [A.F.D./2CH] then
x
[MOVIE] then [MUSIC] to enter "Special Menu", and select
M
"USB UPDATE" item.
M
4. Push Enter key on remote, then "START ?" message will
appear.
5. Push Enter key on remote again, then update process will
start. (FL display may appear "DEVICE ERROR", please
ignore this message now. After 1.5 minutes update will start.)
6. Remark: if it appear "LOADING"  "READING", please
redo from step 2).
7. Wait until "COMPLETE" message appear and N840
O
automatically reboot.
x
USB UPDATE VERSION MODE
x
To display the version number of all fi rmware. This is to check
whether USB Update Test is necessary or not.
Procedure:
1. While pressing [DISPLAY] and [MUSIC] buttons, press the
x
[?/1] button to turn on the main power.
x
2. The message "VER X.XXX" is displayed. "X.XXX" is
x
calculated by adding all fi rmware version.
The formula below shows how to sum up the total software
x
version.
x
Example:
x
(MCU ver. + VIDEO ver. + DSP ver. + OSD ver. +
NETWORK ver. + 5)/10 = Displayed USB Update version
x
MCU = 1.01, VIDEO = 1.04, DSP = 1.02, OSD = 1.03,
x
NETWORK = 1.00
x
↓
(1.01 + 1.04 + 1.02 + 1.03 + 1.00 + 5)/10 = 1.010
x
1.010 = X.XXX
x
x
x
M
M