10712 CONNECTIONS AND MAINTENANCEMicrophone installation■The supplied or optional HM-205* and the optional HM-195should be connected to the transceiver using the connectioncable that comes with the transceiver or the microphone.The cable is used to operate from a longer distance. Thecable connector can also be installed as a built-in plug on acabinet or wall.*Not supplied with some transceiver versions.To operate from even longer distances, the optional 6 meterlong OPC-999 or OPC-1541 extension cable can be used be-tween the transceiver and the OPC-1000 or OPC-1540. Up totwo OPC-999 or OPC-1541 can be added.• OPC-999: For the HM-205• OPC-1541: For the HM-195InstallationD Insert the connection cable connector into the microphoneqconnector or the command microphone jack, and tightenthe nut.To use the cable connector as a wall socket, install it aswdescribed below.Using the mounting base as a template, carefully mark theeholes where the cable and three screws will be fastened.Drill holes at these marks.rInstall the mounting base using the supplied screws, astshown below.• HM-205• HM-195GasketCapMounting base NutScrew holes(approximately 2 (d) mm; 0.1 inches)GasketCapMounting base NutScrew holes(approximately 2 (d) mm;0.1 inches)