Mar.2006 MC-808 “decimal point.” If there is no problem, press [CURSOR >] to proceed to the next test item. 12. USB test 8. D Beam test This tests USB operation. The LCD display will show the following. This tests the D Beam controller. fig.test12.eps_68 The LCD display will show the following. fig.test08.eps_68 When the lower line of the LCD display indicates [USB Test Completed], use the Safely Remove Hardware icon located in the taskbar at the lower right of your computer screen to halt the connection to the MC-808. Turn the [VALUE dial] or use [INC][DEC] to adjust the [Sens] value in order to satisfy the following three conditions. Press [CURSOR >] to proceed to the next test item.
• The Value must be “0” or “---” when your hand is not located above the D Beam controller. 13. Noise check • When you place your hand above the D Beam controller and move it downward, the Value must be “1”--”30” when your hand is approximately 40 cm from the panel. You will use a noise meter to check the residual noise. The LCD display will show the following. fig.test13.eps_68 • The Value must be “127” when your hand is approximately 5 cm from the panel. When the values of “0” and “127” have been detected, you will automatically proceed to the next test item. Turn the OUTPUT volume to the MAX position. 9. Switch and LED test Set the input filter of your noise meter to DIN Audio.
Verify that OUTPUT MIX is -80 dB or lower and that OUTPUT DIRECT is -80 dB or lower. This tests the operation of the switches and LEDs. The LCD display will show the following. If there are no problems, press [CURSOR >] to proceed to the next test item. fig.test09.eps_68 14. Factory reset The MC-808’s factory-set data will differ depending on the export region. The export region is indicated by the voltage, and is one of the following three. Successively press each switch as directed by the LCD display. If the switch has an LED, the corresponding LED will light. • “100” • “117” If the switch does not have an LED, all LEDs will light. A beat tone will sound when you operate a controller.
If the export region is set to “100,” the LCD display will show the following. • “230/240” There are a total of 85 switches and LEDs, and when you press [85: TAP], you will automatically proceed to the next test item. fig.test14.eps_68 10. Touch Sens test This tests the touch sensitivity of the faders. The LCD display will show the following. fig.test10.eps_68 Turn the [VALUE dial] or use [INC][DEC] to select “100,” “117,” or “230/240” as the appropriate voltage for the export region. When you’ve specified the export region, press [ENTER], and a factory reset will be executed. When the Factory Reset is completed, the LCD display will show the following.
One by one, touch your finger to each of the eight faders. fig.test15.eps_68 When the touch sensitivity for a fader has been detected, that fader will move automatically and a beep tone will sound. If there are no problems, you will automatically proceed to the next test item. 11. LCD/encoder test Power-off the MC-808, and verify that the export region has been set correctly. (p.??? Checking the export region) This tests the operation of the LCD display and [VALUE dial]. The LCD display will show the following. fig.test11.eps_68 Visually verify that the contrast of the LCD display changes when you move the [VALUE dial] to left and right.
If there are no problems, you will automatically proceed to the next test item. 28