June 2003 IPN: M5000-00-105 Important information A - 9Important informationBasic servicing precautionsTait Orca 5000 portable radios require special-ised servicing techniques and should only beserviced at an approved Tait service centreequipped with the necessary facilities.Standard anti-static procedures should befollowed; a typical setup is shown in Figure A-5.If in doubt, contact Tait Electronics Ltd or yournearest Tait dealer.Figure A-5: Typical anti-static bench setupWarning!Repairs attempted with incorrect equipmentor by untrained personnel may result inpermanent damage.Caution: CMOS devicesThis equipment contains CMOS devices,which are susceptible to damage from staticcharges. Care when handling these devices isessential. For correct handling procedures,refer to manufacturersí data books coveringCMOS devices, such as Philips Data HandbookCovering CMOS Devices or Motorola CMOSData Book Section 5 (Handling Procedures).Screw head typesTorx recess head screws and Pozidriv recesshead screws require the correct sized driver toachieve best performance. Most of the screwsin Tait Orca 5000 portable radios are Torxhead screws, and so a Torx T6 driver bit issupplied as part of the service kit. Some earlierradios have Pozidriv screws.Torx head 1.8x5 mm screws should beremoved using the supplied Torx T6 driver.When replacing these screws, set the driver to2in.lb (0.23Nm).Pan head Pozidriv M2x8 mm and M2x5 mmscrews should be removed using a number 1Pozidriver. When replacing these screws, setthe driver to 2in.lb (0.23Nm).ProgrammingFor information on programming Tait Orca5000 portable radios, refer to: the Tait Orca Trunked Programming Appli-cation Userís Manual or the online help; the Tait Orca Conventional ProgrammingApplication Userís Manual or the onlinehelp.The Userís Manuals are on the TOP Program-ming Utilities (TPU) CD-ROM, which isincluded, together with this manual, as part ofthe calibration service kit.2143 to building earth (notmains earth) via 1 Mseries resistorconductive wrist strapconductive rubberbench matmetal frame1234
