17Installation and ConnectionInstallation and ConnectionInstalling the transceiverPrecautions on installationNote the following when installing the transceiver. Do not install the transceiver in a place where it would be exposed to direct sunlight,high temperatures, excessive humidity, dusty conditions, or extreme vibrations. Install the transceiver in a well-ventilated position, so that heat dissipation is nothindered, because the heat sinks will become hot when the transceiver is run for anextended period of time. Do not place any objects on the transceiver. Do not attempt to lift the front panel by holding onto just the knob or control cable. This transceiver requires a 13.8 V DC power supply.When using this transceiver in a mobile unit, ensure that the car battery is a 12 Vtype. Never connect this transceiver to a 24 V battery of a large vehicle. Never connect the transceiver to a 100 V AC power source. Heed caution as hum and noise may be introduced, depending on the installationconditions of the external power source. Install the transceiver as far away as possible from TVs and radios. Failing to do somay result in noise interference such as broadcast interference (BCI) or televisioninterference (TVI) from radios and TVs respectively.Never attempt to install this transceiver near indoor antenna elements.