Precautions During Installation; Install The Antenna - Yaesu FT-891 Operating Manual

r Install the antenna and co-axial cable away from the control unit and wiring harness.
Place all cables so they do not entangle and impede the driver or passengers. Never place any
equipment in a location where it may pose a danger to the passengers, where it may interfere with
driving, or obstruct the driver field of view.
r Do not install any apparatus in such a way that it may interfere with the proper operation of the air
bags.
r After installing the radio, check that the brake lamp, head lamp, turning indicator lights, wiper, etc.
are working normally with the radio power switched on.
r Keep full attention on driving, do not operate the radio controls or look at the radio display while
driving. Stop the vehicle at a safe location, before operating the radio controls or looking at the
display.
r Do not drive the car in such a way that external sounds required for safe driving cannot be heard.
Most areas and districts prohibit the use of earphones and headphones while driving.
r If operation of the radio transmitter appears to have abnormal effects on the control equipment of
the vehicle, stop the engine, turn off the transceiver power supply, and disconnect the power cord.
Resolve the problem before continuing to operate the radio equipment.
r When using the radio in an electric or hybrid car, the receiver may experience high RF interference
and noise from the inverters that are built into the electric vehicle.

Precautions during installation

Note the following when installing this radio.
r Do not install the radio in a place where there is extreme vibration, where there is a lot of dust,
excessive humidity or high temperature, or where it is exposed to direct sunlight.
r Install the radio in a well ventilated position, so heat release is not obstructed because the heat
sink gets hot when transmitting repeatedly.

Install the Antenna

r Ensure that the antenna base is securely fixed.
r Ensure that the antenna base is securely grounded to the car body.
r Avoid routing the co-axial cable enclosed with a commercial car antenna cable.
r Do not place the co-axial cable or connectors inside the car where rain water or moisture may
penetrate them.
FT-891 Operating Manual
Installing the Radio
7