Read Sharp PN-R903 Handy Guide online
Precautions for dust
Precautions for using anti-dust display
About dust
-Fundamentally, LCD monitor is designed for indoor usage.
When it is being used outdoor or at dusty places such as
-when using the anti-dust display(enclosure), please remove
the
d t ith filt
d t ith filt
-When it is being used outdoor, or at dusty places, such as
railway station or close to the traffic, the solutions against dust
must be considered.
railway station or close to the traffic, the solutions against dust
must be considered.
Precautions for using the filter
(1)it is possible to prolong the filter life by
using two filter and exchanging the fine
using two filter and exchanging the fine
dust with filter.
-If the anti-dust solutions are not being considered ->
The dust will enter into the LCD panel through the gaps and will
The effect of dust
(2)it may raise the internal temperature for a display when using the
filter, because of raising the air resistance.
Please reduce the air resistance by increasing the area of filter, etc.
filter, because of raising the air resistance.
Please reduce the air resistance by increasing the area of filter, etc.
g
g g
screen pre-filter.
The dust will enter into the LCD panel through the gaps and will
cause the distorted image (see example below), and will break
down in the end.
cause the distorted image (see example below), and will break
down in the end.
(3)when making the enclosure, it needs the caution whether the fan
air-breathe or exhaust the air.
air-breathe or exhaust the air.
Intake air fan:
The pressure in the enclosure is higher than out of enclosure
The pressure in the enclosure is higher than out of enclosure.
Therefore, dust does not break in the housing. It is limited the size of
intake vent. And it is difficult to suck in much air(when using in dusty
area).
Therefore, dust does not break in the housing. It is limited the size of
intake vent. And it is difficult to suck in much air(when using in dusty
area).
Exhaust air fan:
The dust enters into the LCD panel
and causes the distorted image.
AS
Countermeasure against dust
C
t
l t l
l d
l
The pressure in the housing is lower than out of enclosure.
Therefore, dust breaks in the housing. It has much size of intake
vent. And it is easy to control the temperature(when using in less
dusty area and severe temperature requirements).
Therefore, dust breaks in the housing. It has much size of intake
vent. And it is easy to control the temperature(when using in less
dusty area and severe temperature requirements).
-Create a completely sealed enclosure.
-The completely sealed enclosure shut off dust so it is
advantageous for installation in locations with excessive
amounts of dust, outdoor, and that may occur in salt.
advantageous for installation in locations with excessive
amounts of dust, outdoor, and that may occur in salt.
※
to keep the performance, please clean the filter regularly
PN-R903 Installation Guidelines <Rev1.0> February 2013
CONFIDENTIAL
5
-You will need to be a combination of countermeasure against
thermal, such as the heat exchanger and the air conditioner.
thermal, such as the heat exchanger and the air conditioner.
Intake air fan
Exhaust air fan
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