Sony WH1000XM3/B User guide
Set the headset to “Priority on stable connection” mode. For details, see “About the sound quality mode”. Remove any obstacles between the antenna of the connecting Bluetooth device and the built-in antenna of the headset. The antenna of the headset is built into the part shown in the dotted line below. A: Location of the built-in antenna Bluetooth communications may be disabled, or noise or audio dropout may occur under the following conditions. o When there is a human body between the headset and the Bluetooth device Put the Bluetooth device in the same direction as the antenna of the headset to improve the Bluetooth communications. o There is an obstacle, such as metal or a wall, between the headset and the Bluetooth device. o In places with wireless LAN, where a microwave oven is used, electromagnetic waves are generated, etc. The situation may be improved by changing the wireless playback quality settings or fixing the wireless playback mode to SBC on the transmitting device. For details, refer to the operating instructions supplied with the transmitting device. Because Bluetooth devices and Wi-Fi (IEEE802.11b/g/n) use the same frequency (2.4 GHz), microwave interference may occur and result in noise, audio dropouts, or communications being disabled if this headset is used near a Wi-Fi device. In such a case, perform the following steps. o Use this headset at least 10 m (30 feet) away from the Wi-Fi device. o If this headset is used within 10 m (30 feet) of a Wi-Fi device, turn off the Wi-Fi device. o Use this headset and the Bluetooth device as near to each other as possible. If you are listening to music with your smartphone, the situation may be improved by shutting down unnecessary apps or restarting your smartphone.
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