31AppendixMaintenance of your T2020IIThe T2020II requires no regular maintenance, other than ensuring that all cables and connections aresecure, and that no damage has occurred to the antenna or wiring.TroubleshootingIf the front panel indicators do not light up when you turn the radio on, it is likely that no power isreaching the T2020II. Check the following:! Is the power connector firmly plugged into the rear of the T2020II ?! Are the in-line fuses in good condition?! Is the power cable securely connected to the vehicle battery or power supply?If all appears to be in order, then contact your Tait dealer for further assistance.Despatcher OperationThe T2020II can also be used for despatcher operation, mounted on top of its companion T2008 powersupply, which is available separately. Consult your Tait dealer for more information.Radio UnitT2008 PowerSupply369PQRS WXYZSTAT ChFnαT2000Power SupplyT2000Tait Electronics has made every effort to ensure the accuracy of information in this manual. However,Tait Electronics reserves the right to update the radio and / or this manual without notice.