Cleaning the KeyboardEN | 6518 Maintenance InformationThe Allegiant system has been designed to perform for long periods of time with lit-tle or no maintenance. Occasionally the need will arise to clean the keyboard, orreplace a fuse. Follow the instructions below if any of these items are required.18.1 Cleaning the KeyboardThe keyboard may be cleaned whenever deemed necessary simply by temporarilyremoving it from the system and wiping it with a damp cloth. If a conventionalspray type cleaner is required, spray the cloth first, then wipe off the surfaces. Donot use petroleum based cleaners or cleaners containing benzene, triclorethylene,ammonia or acetone, as these cleaners could damage the plastic surfaces.18.2 AC Line Voltage Input SelectionThe AC line voltage input selector is found on the rear of the equipment bay insidethe line cord connector housing. The present input voltage selection will be shownin the window of the connector housing. Remove AC line cord if the setting is incor-rect. To change the setting, insert a flat blade screwdriver into the slot located at oneend of the connector housing as indicated in the drawing and rotate the screwdriveruntil the door to the housing opens.Figure 12: AC line voltage input connectorRemove the voltage selector wheel from the connector housing and rotate until thedesired voltage is visible.Figure 13: Line voltage selectorReinsert the wheel back into the connector housing so that the selected voltage isfacing out. Snap door closed and verify that the correct voltage selection is visiblethrough the window. Reattach AC line cord.! !Line VoltageSelectorRemovalLine VoltageSelectorRemoval