Alesis Andromeda A6 Service Manual page 11

2.30 Front Panel Test Procedure
Connect the following cables/accessories to the A6 external ports:
2.311 Connect one end of a MIDI cable (4-17-0003) to the MIDI IN port and the other end to
the MIDI OUT port.
2.312 Connect Fatar Foot Switch (93) to the CC PEDAL ¼" jack of the FOOT SWITCHES/
PEDALS ports.
2.313 Connect power cord to A6 power jack.
2.314 Verify that A6 unit has current Bootloader and OS code versions with the following
steps:
a) Switch on power to A6 while holding down round SB#7.
b) Verify on A6 LCD:
Note: If Bootloader version is less than "1.20.31" and/or the OS version is less than
"1.40.xx", updated software should be loaded (xx - latest version).
c) Power down A6.
2.315 Enter test mode by pressing and holding down SB#2, while switching power ON, until
"*** A6 Diagnostic Mode *** " message appears on LCD display. Verify that Blue LED
is on.
2.316 Test LEDs by pressing SB#1. Verify that all LEDs on the Front Panel light up. Note that
the following LEDs should be yellow and flashing:
° "Auto Tune"
° "Audio Ext In"
° "Store"
° "Filter Bypass"
° "BP Invert"
Press SB#1 again to turn off the LEDs.
2.317 Test MIDI function by pressing SB#2. Verify that the message "MIDI TEST PASSED!"
appears on the lower center area of the LCD display.
2.318 Test LCD function by pressing SB#3. Verify that all dark pixels are visible within the
darkened area on the LCD display. Press SB#3 again to restore LCD contrast back to
normal.
2.319 Test LCD contrast pot by turning small contrast knob, found on the right side of the LCD,
back and forth while verifying that the contrast changes.
Confidential
ANDROMEDA SOFTWARE
BOOTLOADER V01.20.3x OS
V01.40.xx
Alesis Service Manual 8-31-0089-C