Examples OK(Yellow) and Poor(Red) internal antenna placements
4.2.3 Protection from Heat
It is best not to place the LMU unit in an unusually warm location such as directly near
heater vents, near hot engine components or in direct sunlight. The maximum
temperature that can be tolerated by the LMU is described in the LMU Environmental
Specifications section.
4.2.4 Visibility of Diagnostic LEDs
Status LED lights on the front of the LMU unit can provide valuable information about
the operation of the LMU. When feasible, attempt to install the LMU in such a way that
these lights can be seen with reasonable ease.
You may find it useful to be able to view the LEDs periodically to make sure that the
LMU is operating properly. If at any time you should encounter a problem with the
LMU, you may need to read the LEDs in order to troubleshoot the problem. If you cannot
fix the LMU yourself, you will need to provide the LED information to CalAmp
customer support.
For information about how to interpret the LEDs, see the Status LED Behavior section.
4.2.5 Moisture and Weather Protection
The LMU unit must be located where it will not be exposed to moisture or water. In a
typical installation inside a vehicle this is not commonly thought to be a concern;
however, it might be best to avoid locating the LMU below a car’s cup holders, or where
rain might easily splash into the compartment when a door is opened.
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