User Manual

15
Press 7 to toggle through red, green, and blue colors. This test checks
for dead pixels and color consistencies of the TFT LCD display. Press 8 to
exit the test.
KeyTest
Select this option to do a key test. The screen will display a silhouette of
buttons that represent the front panel buttons.
Press any of the front panel buttons and its corresponding button in the
silhouette will turn green. This tests the key press response. If any of
the buttons do not change colors on the silhouette when pressed, there
may be something faulty with the key. Press 8 three times to exit the
test.
LEDTest
Select this option to test the function, menu, and channel output
buttons’ backlight.
Like the key test, the screen will display a silhouette of buttons that
represent the front panel buttons. Press 7 to begin the test. This test
will start with the Sine button, which should light up. Its corresponding
button in the silhouette should also turn green. Continue to press 7 to
toggle through all the buttons with backlights available. At the end of
the test, all function, menu, and channel output buttons will light up,
and all of their corresponding buttons in the silhouette on the display
will turn green. Press 8 to exit the test.