Sony STR-W777 Service Manual page 9

PANEL Aging Mode
This mode is used for opening and closing the sliding panel continuously.
Setting the aging mode :
With the set at standby condition, press FLASH button, ENTER/NEXT button and STEREO/MONO button together.
The aging will start and sliding panel will follow aging sequence as described below.
• When problems occur ;
Aging stops and "AGING ERROR" is displayed on the fluorescent indicator tube.
• When no problems;
Aging is carried out repeatedly. After 65000 times, "AGING STOP" is displayed and aging stops.
Aging Sequence
Panel open
n Counts up n
Each time the DISPLAY/DEMO button is pressed, the display switches as follows.
Aging @@@@@ (No. of agings carried out)
OP Max @.@@ (Maximum time taken for OPEN:In seconds)
OP Min @.@@ (Minimum time taken for OPEN:In seconds)
CL Max @.@@ (Maximum time taken for CLOSE:In seconds)
CL Min @.@@ (Minimum time taken for CLOSE:In seconds)
Stops for one second in the opened state
Stops for one second in the closed state
— 9 —
Panel close
n