Grass Valley VM 3000 System Controllers v.7.4 - Manual (Page 543)

Control Panel Operation CP 3832L / 3864L
6−123 VM 3000 Installation and Operating Manual
Burn In
This test rotates through the button lamp and Display tests continually. Press Level 3 to cancel.
Keyboard Test
This diagnostic displays the number of each button as it is pressed. Pressing the Level 1 key will change the lamp color. Press-
ing Level 3 twice exits.
Display Test
This test cycles through and displays all legal characters. The test will stop after one cycle. Pressing Level 3 exits.