779 OTHER FUNCTIONS■ Cloning functionThe IC-E90 has transceiver-to-transceiver data cloning capa-bility. This function is useful when you want to copy all of theprogrammed contents from one IC-E90 to another.• An optional OPC-474 CLONING CABLE is required.q Connect an optional OPC-474 between both [SP] jacks.w While pushing [8 SET] and [MR], push [PWR] for 1 sec. toenter cloning mode.• “CLONE” appears.e Push [PTT] on the “master” transceiver.• “CL OUT” appears and the signal indicator shows that cloning istaking place.r Push [PWR] for 1 sec. to turn power OFF.The optional CS-T90A CLONING SOFTWARE and the optionalOPC-478 CLONING CABLE are available to clone and editcontents with a PC (for Microsoft® Windows ® 95/98 and ME).Microsoft® and Windows® are registered trademarks of Microsoft Corporation inthe U.S.A. and other countries.■ [SP/MIC] jacksTo connect external equipment such as speaker, microphone,TNC, etc. refer to the diagram below.The center terminal of [MIC] outputs 3.2 V DC via 330 Ωregister.Externalspeaker[SP] jackSPSPGNDø3.5 mmplug[MIC] jack33 kΩMICMICGNDExternalmicrophoneø2.5 mmplugPTT3.2 V (See below)Impedance 8 ΩImpedance 2 kΩMIC3.2VMIC GNDSP (AF OUT)REMOTESP GNDOPC-474 to[SP]to[SP]Signal indicator shows thatcloning is taking place.Cloning periodCloning mode