SA-NS400 - Sony Audio Service Manual (repair manual). Page 12

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SA-NS400
12
• Version Display Operation Specifi cation
When the mode is entered, all the LED’s make one blink in 3 sec.  All On (0.5 sec) t All Off (2.5 sec).
When in the MODE IN state, pressing the [AUDIO IN] key displays the software version of the Brifgeco module and pressing the [VOL –] 
key displays the software version of the microcomputer.
To display these software versions, the LINK LED (green), the LINK LED (red) and the AUDIO IN LED blink in turn in 1 sec cycles of 
0.5 sec on and 0.5 sec off state.
The software version is expressed by how many times they blink individually.
LINK
AUDIO IN
AUDIO IN
LINK
major version
Example) When the version is 1.32:
Upon MODE IN
(All On (0.5 sec) 
All Off (2.5 sec))
Pressing of [AUDIO IN] key
or [VOL –] key
(All Off (0.5 sec))
(LINK LED (green) makes 1 blink)
(LINK LED (red) makes 3 blinks)
(AUDIO IN LED makes 2 blinks)
t
1.**
t
*.3*
t
*.*2
*The blinks for version display are made with 0.5 sec on and 0.5 sec off states.
minor version
(green)
(green)
(red)
(green)
(green)
(red)
After the version display is completed, the system is returned to the status before entry in the mode.
In this status, pressing the [AUDIO IN] key or [VOL –] key allows you to redisplay the version.
SIGNAL  STRENGTH  DISPLAY
The strength of the signal (reception sensitivity) is visually displayed in real time when the set is connected through wireless LAN connec-
tion.
The [PARTY] LED is used to indicate the signal strength by its display colors depending on the conditions of the signal strength: green 
(when the signal is strong), orange (middle), red (weak), and OFF (disconnected).
Procedure:
1.  The [PARTY] LED is illuminated green when the signal strength is strong (at the level of 100 to 60), orange when middle (59 to 30), 
and red when weak (29 to 0).
2.  The [PARTY] LED is lit out when the set is disconnected from the network in wireless connection (including in wire connection).
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