Maintenance; Cleaning The Filters; Changing The Fuses; Figure 26: Cleaning The Filters - S4 Tech DOG User Manual

Mobile digital observation guard
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Maintenance

Cleaning the Filters

The white filter covers for the Mobile DOG active cooling system can be seen on the sides of the case
as shown in the figure below. Inside each cover is a filter element that can be removed by pulling it
out from the opening underneath each cover. Once removed, rinse each filter with water and allow to
air dry for a few hours. Once dry, re-insert the filter into the filter cover; in the compartment closest to
the case wall. The filter should be right up against the transport case wall.

Figure 26: Cleaning the Filters.

Changing the Fuses

If the system does not power up then a fuse may be blown. There are two fuses on the front panel, a
20A fuse and a 2A fuse. The 20 amp fuse is removed by unscrewing the fuse holder with the
fingertips as shown in the figure below. A screwdriver is used on the 2A fuse as shown below.

Figure 27: Changing Fuses.

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