28 FTM-10SR O PERATING M ANUALI NTERCOM F UNCTIONIntercom operation is possible with the FTM-10SR, by installing the optional Bluetooth®Adapter unit “BU-1” in the radio and using the optional Bluetooth ® Headset “BH-1”.When operating in a very noisy environment, (for example, a loud exhaust or engine noise,or inside an off-road vehicle) communication with a fellow passenger is possible using theBluetooth ® intercom feature.1. Press the top panel / key to select “INTERCOM”.2. Press the key to activate the Intercom function.When the Intercom function is activated, the volume levelgraphic will be displayed on LCD.You may switch the receiver audio volume level between “High” and “Low” via the“VOL.ITCOM” function described below.When the Intercom function is activated, the internal speakers (front panel and mainchassis) are disabled.To disable the Intercom function, repeat steps 1 and 2 above.When set the key function to “INTERCOM” via thetop panel / key, the key to be used as the Inter-com feature on/off key.Important Notice!Use of a sound-isolating headset while driving on public roads is not lawful and haz-ardous. An open type headset must be used for safety.MONITOR FEATUREThe Monitor permits disabling the noise and tone squelch systems temporarily.When the received signal is weak and the sound from the speaker is intermittent, use thisfunction to over-ride the squelch and hear the received signal.1. Press the top panel / key to select “MONI”.2. Press the key.The noise and tone squelch are disabled while pressing thekey.When the key function is set to “MONI” via the top panel / key, the keymay be used as the “Monitor” key.SMART M ENU F EATURESGraphic Bar