Mar. 2008 MT-90U 1. Version 5. Switch Test Verify the version of the system. 1. Hold down the [R] and [ ] buttons and switch on the power. This tests switch operation. The Test mode is enabled. 1. Press the [ ], [ ], [-], and [+] buttons on the front panel in sequence, one at a time, and verify that each button name is displayed on the LCD screen. 2. Verify that [SYS] has been selected and press the [ ] button. fig.test-Version.eps 2. Connect the pedal switch to the Start/Stop jack on the rear panel. 3. Depress the pedal and verify that the message Pedal is displayed on the LCD screen. fig.test-Switch-1.eps 3. Verify that the unit is at the latest version. 4.
Press the [ ] button to advance to the next item. 4. Aim the remote-control unit at the infrared port on the front panel. 2. Device Test 5. Press the [REPEAT] button on the remote control and verify that the message RemoteRepeat is displayed on the LCD screen. This automatically checks the operation of the Wave ROM. fig.test-Device-1.eps fig.test-Switch-2.eps fig.test-Device-2.eps When verification for all switches has finished, execution automatically advances to the next item. 6. Red LED Test When OK is displayed, press the [ ] button to advance to the next item. This tests illumination of the red LEDs. 3. USB Test 1. Press the [ ], [ ], [ ], and [ ] buttons in sequence, one at a time.
This performs a USB connection check. 2. Verify that the corresponding LED for each lights up. 1. Using a USB cable, connect the USB connector on the front panel to the USB connector on the rear panel. 3. Press the [ ] button. 2. Verify that the message displayed on the LCD screen changes from Disconnected to Connected . 4. Verify that the Beat LED (to the left of the LCD screen) lights up. When verification for all red LEDs has finished, execution automatically advances to the next item. fig.test-USB-1.eps 7. Green LED Test fig.test-USB-2.eps This tests illumination of the green LEDs. 1. Press the [R], [1], [2], [3], [4], and [ ] buttons in sequence, one at a time. 2.
Verify that the corresponding LED for each lights up. 3. Press the [ ] button. If no problem is found, execution automatically advances to the next item. 4. Verify that the Beat LED (to the left of the LCD screen) lights up. When verification for all green LEDs has finished, execution automatically advances to the next item. 4. IrDA Test This performs testing of infrared communication. 8. LCD Test * Outside Japan, this test is not required. Press the [ ] button to advance to the next item. This tests the display of the LCD screen. fig.test-LCD.eps fig.test-IrDA.eps 1.
Verify that pressing the [ ] button makes the entire screen go dark and that pressing the [ ] button makes the entire screen light up. 2. Press the buttons just described in alternation and verify that no dot drop-out is present. 3. Press the [ ] button to advance to the next item. 19