Ensure all equipment will be protected from possible damage:
• Plan equipment placement (especially Control Heads) to avoid direct impact from
water and hose-down, snow, dust, smoke, gases, road debris, oils, chemicals and
corrosive agents.
• If installing equipment behind a door or cover in a protective enclosure, ensure there
is adequate airflow and cooling.
• Use splash guards, shields, or covers, to protect against direct impacts.
The radio uses a heat sink on the radio and natural convection as its method of cooling.
Cooling occurs when the ambient temperature of the air surrounding the radio is lower
than the radio’s heat sink temperature, and air flows freely around the heat sink. The
design of the heat sink is thermally sufficient to dissipate the maximum amount of heat
generated by the radio if the ambient air temperature around it remains below the
maximum specified limit of +140° Fahrenheit (+60° Celsius).
Follow these guidelines to ensure proper operation:
• Operate the radio within its specified temperature limits.
• Do not place items above, against, or around the radio.
• Do not mount the radio upside down. Mounting the radio upside down causes its
heat sink to not operate as designed and could cause the radio to overheat in certain
environments, reducing the radio’s performance.
• When operating, keep the radio out of direct sunlight and away from heat sources.
• Installations behind a door, cover, or in a protective enclosure must provide
adequate free-air ventilation or cooling to the radio.
The radio automatically reduces its transmit RF output power when its ambient
temperature exceeds approximately +140° Fahrenheit (+60° Celsius).
Detailed installation procedures and testing mobile radio products are given in the applicable sections.
Items to consider during the planning phase are listed in the following subsections.
6.3.1 Mounting Location and Considerations
Determine the customer’s preferences, if any, for location of components. Comply with these preferences
as long as they are consistent with safety recommendations and guidelines presented in this manual, the
radio’s Product Safety Manual, and other generally accepted professional radio installation practices.
Plan the mounting locations of all components (radio, Control Head, antenna, and cables) and determine
the routes for all wiring and cables. Consider the connection of the radio for planning purposes. In
addition, review the following:
• The radio’s mounting location should be chosen to provide protection of the cables and connectors on
the rear of the unit.
• Consider the location of the fuel tank and drive shaft. Mounting screws could pierce the tank or
damage the shaft.
• Connectors on the rear panel of the radio are not watertight. Ensure waterproof covers are installed on
unused connectors.
• Avoid installing where condensation from vehicle air-conditioners or leaking windows could spill
onto the radio.
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