TM9100 110W Mobile Radio Installation Guide Safety Warnings 7© Tait Limited October 2012Interference with Vehicular ElectronicsWarning Some vehicular electronic devices may be prone tomalfunction due to the lack of protection from RF energy whenyour radio is transmitting.Examples of vehicular electronic devices that may be affected by RFenergy are:■ electronic fuel injection systems■ electronic anti-skid braking systems■ electronic cruise control systems■ indicators.If the vehicle contains such equipment, consult the vehicle manufacturer ordealer to determine whether these electronic circuits will perform normallywhen the radio is transmitting.Preparation when Drilling HolesWarning When drilling holes in the vehicle, check that drill-ing at the selected points will not damage existing wiring, fueltanks, fuel lines, brake pipes, or battery cables.Vehicles Powered by Liquefied Petroleum GasWarning Radio installation in vehicles powered by LPG(liquefied petroleum gas) with the LPG container in a sealed-offspace within the interior of the vehicle must conform to theNational Fire Protection Association Standard NFPA 58.This standard states that the radio equipment installation mustmeet the following requirements:■ The space containing the radio equipment shall beisolated by a seal from the space containing the LPGcontainer and its fitting.■ Outside filling connections shall be used for the LPGcontainer and its fittings.■ The LPG container space shall be vented to the outside ofthe vehicle.Radio Installation in Gas or Fuel TankersSpecial conditions must be observed when installing a radio on gas and fueltankers. Consult your radio provider or Tait-accredited service center formore details.Negative Earth SupplyThe radios are designed to operate only in a negative earth system.