HM90 1R Chinese Quick Guide Welcome and thank you for purchasing HM90 1R HD Bluetooth music player/You can read DAC Quick Guide-Simplified Chinese Directory Quick Guide 02 Appearance Overview 04 Key Operation 05 Interface Description 09DAC Settings 10 Characteristic Parameters 12 Supported Music Formats 13 Other Information. Kloc-0/40 1 Quick Start Bluetooth Press and hold the power button for 3 seconds to start the machine, and confirm that the Bluetooth light on the main panel works. 2. Connect this machine with headphones and other equipment correctly; 3. Search for the device HIFIMAN-HM90 1R on the mobile phone or other Bluetooth devices and connect; 4. The mobile phone plays music, and you can wear headphones to enjoy high-definition Bluetooth music. Note: Please check the Bluetooth connection mode and the protocols supported in this mode to ensure the best connection effect. The high-definition Bluetooth protocol needs the support of mobile phones and other devices. Connect USBDAC to the operating system below 1. WIN 10, you need to download and install the driver in official website service section. WIN 10 and MACOS operating system can be directly connected. Mobile phone connection requires extra wires, and HIFIMAN cannot guarantee that all mobile phones can be directly connected. 2. Connect HM90 1R to the computer with CUSB data cable; 3. Please press the enter key once, so that the green light of the main panel is always on; 4. Select the playback device HM90 1R5 in the computer and playback software. Now you can use HM90 1R as a DAC to listen to the music in your computer/mobile phone. 02 Quick Start HIFIMANAPP Remote Play Mode HIFIMANAPP can be found in the Apple App Store, and users of Apple mobile phones can download it directly. Android phone users please contact the official customer service, or download the latest version of the APP from the official website service section. After the mobile phone is installed, connect Bluetooth according to the prompts, and use the remote controller HM90 1R of HIFIMANAPP to play the music in the TF card according to the APP prompts. 03 appearance overview Bluetooth status light lock/unlock key *TF card status light USBDAC status light TF card slot power key/play pause key input selection key output selection key gain selection key charging key volume knob 4.4mm balance 3.5mm balance /3.5mm headphone output port single-ended headphone output port line output port Type-C interface gain status light charging status light output status light * Important: Do not take out TF card and TF card status when TF card status light flashes.