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•
Do not block the ventilation slots. If you block the ventilation slots, the inside of the
device will overheat and could cause a fire. Reserve at least 70 mm of space from the
ventilation slots of each device to ensure proper air flow through the ventilation slots.
•
As shown in the drawings below, the ventilation slots are on the front, back, right, and
left sides for the GR4000-80E1, GR4000-160E1, GS4000-80E1 and GS4000-160E1,
and they are on the right and left sides of the GR4000-80E2, GR4000-160E2, GR4000-
320E (AC), GR4000-320E (DC), GS4000-80E2, GS4000-160E2, GS4000-320E (AC), and
GS4000-320E (DC).
•
Cooling fans are mounted in the device. Therefore, do not put an object near the
ventilation slots. Doing this causes heat inside the device to accumulate and might
damage it. Also, do not put your head near the ventilation slots, since your hair could
be sucked into the device, causing injury.
•
Wait at least two seconds before restarting a GR4000 or GS4000 once it has been
powered off.
•
While the access lamp (ACC LED) for a Basic Control Unit (BCU) is lit, the memory card
(MC) is being accessed. Do not pull out a memory card or turn off the power switch
while the memory card is being accessed. If so, you could permanently damage the
memory card. Some commands can take a while to finish access to a memory card.
Always make sure that access to a memory card is completely finished before pulling
out a memory card or turning off the power switch.
520-10-026-30X
GS4000 Installation Guide Revision 4.00
xiii
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