22Question AnswerInstallation I want to use a USB headset orBluetooth headset on the remotestation PC. Will there be anyproblems?You can use them, but in principle, aUSB headset or Bluetooth headset hasunavoidable delays, so enteringstandby will take considerable time. Ifthe delays are a problem, it is better toavoid using them.After connecting a USB headset orBluetooth headset, you must set thedefault recording and playback devicesusing the Windows sound settings. Fordetails, refer to the USB headset orBluetooth headset user’s manual.Internet Cannot operate the transceiver.Cannot connect to the host station.Check that connections to websites andyour internet mail server are stillpossible.Check the host station IP address, ID,and password.If there are no problems, check thefollowing.・ Check that the port used fortransceiver control (TCP/defaultsetting: 50000) and audiotransmissions (UDP/default setting:33500) are set to open on the hoststation broadband router.・ Check that there are not two ormore broadband routers (hereaftercalled "BBR") on the host stationnetwork. If there are two or moreBBRs, either open the port requiredby KNS for either of the BBRs, orstop one of the BBRs and makesure that only one BBR exists onthe network, and then set therequired KNS port to open on theBBR. (Refer to “(Supplement): FAQ:Explaining the Internet "Cannotoperate transceiver"”.)OperatingSystemWhen attempting a KNSconnection, a warning messagemay be displayed by the Windows.Add ARHP-590G and ARVP-10 to theWindows firewall exceptions.