CalAmp | LMU-26xx Install Guide
MBUD-0199v3.3
Page 9
4.6 MOISTURE AND WEATHER PROTECTION
The LMU-26xx is not a weatherproof device and must be kept dry. The mounting location should be
inside the passenger compartment of the vehicle safe from physical damage and where it is not exposed
to moisture or water. In a typical inside-vehicle installation, this is not a common concern; however,
avoid installing the device below the vehicle’s cup holders, or where rain might easily splash into the
compartment when a door is opened.
If the LMU-26xx is installed in a vehicle with a cab exposed to the weather, additional protection is
required to avoid damage to the device, which could void the warranty. There are numerous
alternatives for protecting the device. One of the best options is to use an Otterbox 2000. You can
purchase from Amazon.com or directly from Otterbox:
http://www.otterbox.com/OtterBox-2000-Clear/OTR3-2000S-01,default,pd.html?dwvar_OTR3-2000S-
01_color=01&start=3&cgid=otterbox-2000-cases
.
Note:
For environmentally challenging conditions, consider utilizing the CalAmp TTU-2820.
4.7 PREVENTING ACCIDENTAL OR UNAUTHORIZED MODIFICATION
If you anticipate that fleet drivers or others might tamper with the devices once installed, take steps to
ensure that it is not easy to disconnect the wiring or remove the device from its power source. A tamper
resistant installation couples a zip-tie secured around the device with a tamper seal applied to protect
against potential interference and to deter intentional tampering. When the tamper seal is removed, the
seal self-destructs to indicate removal and leaves behind a dot-pattern residue on the device.
Figure 6: Tamper Resistant Materials
