Fader/Motor Test; Lexicon Test - Lexicon 960L Service Manual

The RED LED's indicate the Left/Right position of the joystick, and the GRN LED's indicate the UP/DOWN
position of the joystick.
When a failure has occurred, an error message is sent to the LCD display, and also to the Debug Port as
shown in the example below:
** Test invalid. Did not test edges enough. **
** Joystick touched inner boundary. **
(Be careful not to move joystick away from the edges after beginning test.)
**** Press '+' (or Enter on debug port) key to acknowledge.
Press the '+' key on the LARC2, or press 'ENTER' on the Debug Terminal to continue.
NOTE: During the test, there is a special mode that is available for debugging purposes which sends the
values read (X/Y position) from the joysticks A/D converter to the LCD display when the 'CONTROL' key is
pressed as shown in the example below.
Horzntl 1023 , Vertical 118

Fader/Motor Test:

is test has been designed to verify the ability of the Fader and Motor circuitry to detect the current position
of the fader, then move the fader in the proper direction until it has reached the next pre-designated
position. When the test is executed, all of the (8) faders are moved to their minimum position, and are
moved slowly to their maximum position, then back down to their minimum position. During the test, the A/D
converter values of the (8) Faders are monitored to determine their respective positions.
When a failure has occurred, an error message is sent to the LCD display, and also to the Debug Port as
shown in the example below:
*** FAIL *** Timeout on fader 2.
**** Press '+' (or Enter on debug port) key to acknowledge.
Press the '+' key on the LARC2, or press 'ENTER' on the Debug Terminal to continue.

Lexicon Test:

This test is used to verify the operation of the piezo transducer circuitry. This test has been designed to
read the values from the piezo transducer's A/D converter, and verify that two (Max) values can be
achieved. When the test is executed, the 'Lexicon' key is pressed & released until a Max value below 300,
and a Max value above 600 is displayed on the LCD display.
When a failure has occurred, an error message is sent to the LCD display, and also to the Debug Port as
shown in the example below:
Did not hit full range.
**** Press '+' (or Enter on debug port) key to acknowledge.
Press the '+' key on the LARC2, or press 'ENTER' on the Debug Terminal to continue.
Lexicon
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