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Pressing button #1 will turn on LED#1, which indicates that pressing the “up” or “down”
buttons will change to a different light level setting, for which the LED brightness could
then be changed by pressing button #2. Changes to the LED brightness will only be
visible for the current light level.
To exit this section, press the “display” button.
Special note:
Setting all brightness levels to the same value, for all light levels, will result in no change
of display or LED brightness with changes in ambient light level in the room.
Restoration of the factory default settings:
To restore the factory settings for all display settings, first press and hold the “display”
button, then concurrently press “3” button. This can only be done from the front panel.
LEDs 1-5 will light, indicating that the unit has restored the factory settings.
Maintenance
Do not, under any condition, remove the top cover while the AC power cord is connected
to the unit. As the power supply remains charged even with power removed, wait at least
20 minutes after removing the AC power cord before attempting any maintenance.
Under normal conditions, internal access is not required. In the event of a noisy tube or
other maintenance, the top cover may be removed. There are no screws, it is securely
held in place by an interlocking material. To remove the top cover, grasp it at the rear
left edge and pull up firmly. The interlocking material will gradually disengage as the
top cover is “peeled” up.
To reinstall the top cover, align the front edge with the back of the faceplate and
gradually press down, starting at the front and moving toward the back.
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