316. Test mode6.1. Entering the test modeThe test mode is entered by pressing the 5 and 8 buttons simultaneously, plug the AC cord into a power outlet.When the test mode is set, the "1" and "3" indicators light.FL tube display when test mode enteredFL Display (The display part of 13 digits)1 2 3 4 5 6 7 8 9 10 11 12 13T E S T M O D EWhen the test mode is set, the choice screen of the mode appears on the monitor.6.2. Selecting the mode・The following modes are available.(1) Laser on/off (CD/DVD/BD) mode : T2(2) Error rate (skew) measurement mode : T7(3) Accumulated laser on time display mode : TC(4) Test mode cancel : TIq When the 9 button is pressed after entering the test mode, the display switches in the order: "T2, T7, TC, TI, T2…"FL Display (The display part of 13 digits)1 2 3 4 5 6 7 8 9 10 11 12 13T 2 L a s e r O n O f fFL Display (The display part of 13 digits)1 2 3 4 5 6 7 8 9 10 11 12 13T 7 E r r o r R a t eFL Display (The display part of 13 digits)1 2 3 4 5 6 7 8 9 10 11 12 13T C L a s e r O n T i mFL Display (The display part of 13 digits)1 2 3 4 5 6 7 8 9 10 11 12 13T I T e s t E x i tw When the 8 button is pressed, the display switches in the opposite order from q above, starting from the currentposition (for example, if currently at "TC", it switches as follows: "T7, T2 ").