NXDN™ IC-F5400D/IC-F6400D SERIES PRODUCT GUIDE16The new functions are included in the main firmware revision 1.6 or later.• Bluetooth® functionA third party Bluetooth ® headset (3M™ PELTOR™ WS™ Headset XP, 3M™ PELTOR™ WS™ ProTac XP,or 3M™ PELTOR™ WS™ Alert XP)* can be used for wireless headset operation. This allows you a flexibleinstallation style, and will not restrict operator’s activity caused by the connection cable and its length.The adopted Bluetooth ® is compatible with Class 1 and Bluetooth ® version 2.1+EDR, and the details of thecompatible profile are as shown in the table below.*Only PTT switch action is checked. Icom does not guarantee all functions and performance of theBluetooth ® headset.Table 4-1. Compatible profileProfile ApplicationHFP (Hands-Free Profile) Used when transmitting/receiving a signal, handsfree.HSP (Headset Profile) Used with a connected headset.SPP (Serial Port Profile)Used when connecting two devices using a virtualserial port. (Used for programming the transceiverwithout a programming cable.)• Active Noise Cancelling functionThe Active Noise Cancelling function, which is already used in Icom marine transceivers, can suppressbackground noise. By using this function, you can transmit clear voice even in a noisy environment, such asin a downtown area, or near a high traffic main road. The function can also be activated while receiving a call.The suppression level of the Active Noise Cancelling function can be set to one of three levels. Up to 30%*of noise for transmit audio, and up to 90%* of noise for receive audio will be suppressed.*Theoretical value.Figure 4-1. Active Noise Cancelling function’s imageSECTION 4 NEW FUNCTION INTRODUCTIONActive Noise CancellingBackground noise Voice Background noise is suppressed. Voice