776CONNECTION AND INSTALLATION6■ Power sourceThe transceiver requires regulated DC power of13.8 V and at least 28 A. There are two ways to sup-ply power:• Direct connection to a 12 V battery in your vehiclethrough the supplied DC power cable.• Use a DC power supply connected to an AC outlet.DC power cable connectionNOTE: Use terminals for the cable connection.12 VbatterySuppliedDC power cable+ red_ black CrimpSolder■ AntennaMany stations operate with a whip or long wire (insu-lated back stay) antenna. However, these antennascannot be connected directly to the transceiver sincetheir impedance may not match with the transceiverantenna connector.RDANGER HIGH VOLTAGE!NEVER touch the antenna element/wire while tun-ing or transmitting.q Attach the Cooling fan to the transceiver’s heat-sink, and tighten the 4 supplied M3 × 8 mm screws.w Secure the connector and cables using the sup-plied cable tie.D AT-140 automatic antenna tunerSee page 75.D AH-740 automatic tuning antennaSee page 75.D Non-Icom tunerSome non-Icom tuners may be used with the IC-F8101. Please consult your dealer if you wish to useone.■ CFU-F8100 (Optional Cooling Fan)For Users in California (U.S.A.)This CR1632 Lithium Battery contains Perchlorate Material—special handling may apply.See http://www.dtsc.ca.gov/hazardouswaste/perchlorate