2INSTALLATION AND CONNECTIONS1234567891011121314151617181920212-1Selecting a locationSelect a location for the transceiver that allowsadequate air circulation, free from extreme heat, coldor vibrations, and other electromagnetic sources.The transceiver has a stand for desktop use.StandCAUTION NEVER carry the transceiver by holding thestand, dials, controls and so on. This may damage them.Heat dissipationGroundingTo prevent electrical shock, televisioninterference (TVI), broadcastinterference (BCI) and otherproblems, ground the transceiverusing the ground terminal [GND] onthe rear panel.For best results, connect a heavygauge wire or strap to a long groundrod. Make the distance between the[GND] terminal and ground as shortas possible.RWARNING NEVER connect the [GND] terminalto a gas or electric pipe, since the connection couldcause an explosion or electric shock.Front panel connection[MIC] (Microphone) connectorSM-50(Option)SM-30(Option)HM-219(Supplied)Using an External KeypadYou can control the CW memory keyer, Voice memory orRTTY memory keyer transmission from an external keypad byconnecting the control circuit to the [MIC] connector. Set the“External Keypad” to ON on the CONNECTORS screen to usethe external keypad. (p. 8-5)$FFHSWVKHDGSKRQHVZLWKaȍimpedance.• 2XWSXWVP:LQWRDQȍORDG• The volume level may differ,depending on the headphones.[PHONES] Headphones• DO NOT place the transceiver against walls or putanything on top of the transceiver. This may blockDLUÀRZDQGRYHUKHDWWKHWUDQVFHLYHU• NEVER install the transceiver in a place withoutadequate ventilation. Heat dissipation may bereduced, and the transceiver may be damaged.• DO NOT touch the transceiver after transmittingcontinuously for long periods of time. The transceivermay become hot.