Denon S-302 Service Manual page 21

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4.1. Entering the test mode
To enter the test mode, press the and buttons simultaneously while in the Aging mode. Not insert the disc.
(The Aging mode is entered by pressing the and
When the Aging mode is set, the and indicators light.)
Press and buttons simultaneously
Power turns on
Press and buttons simultaneously
Test mode
button
Set the disc
button
After the TOC reading
button
Test mode start
FL tube display when test mode entered
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4.2. Selecting the mode
The following modes are available.
(1) Laser on/off (CD/DVD) mode : T2
(2) Servo adjustment value display mode : T3
(3) Trace mode (error rate display) : T7
(4) Accumulated laser on time : TB
When the button is pressed after entering the test mode, the display switches in the order: T2, T3, T7, TB, T2
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buttons simultaneously to turn on the AC power.
Aging mode
button
Set the disc
button
Aging mode start
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