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Summary of Contents for Radsone EarStudio
- Page 1 EarStudio: Manual Buttons / LED / How to Connect / App Features / Factory Reset / Radsone Inc. www.radsone.com support@radsone.com RADSONE...
- Page 2 • Power Off: Press&hold for more than 4 seconds RED LED blinks once right before power off. “power-off sound” plays when it is off. Play/Pause • Play: Press once GREEN LED slowly blinks once every 3 seconds during Bluetooth/USB playback. • Pause: Press once RADSONE...
- Page 3 Ambient Shortcut Key (F/W ver.1.1.4 or Over) • Ambient mode on/off: Press&hold for more than 2 seconds Only available during playback. To use it, you must set 'Ambient Shortcut Key' to 'on' in the EarStudio app. [Previous Track Button] Playback Control •...
- Page 4 [Volume Down Button] Volume Control • Volume Down: Press once/Press multiple times/Press&hold Volume decreases by 0.5dB for each press. Press&hold the button decreases the volume consistently down to -60dB. Pressing the button at the minimum volume turns to a mute level. RADSONE...
- Page 5 GREEN. (Ex. LED changes during Bluetooth playback: GREEN LED slowly on - LED Off repeats every 3 seconds. LED changes during Bluetooth playback while battery low state: GREEN LED slowly on - RED LED repeats every 3 seconds. RADSONE...
- Page 6 0.5 seconds during Pairing mode. Then, select EarStudio from the Settings from the Smartphone. (When EarStudio is already connected to the other Smartphone and when it is not in Paring mode, please press the Previous Track Button for over 2 seconds to...
- Page 7 3. When it is successfully connected, EarStudio appears on the list of MY DEVICES. It is now able to play audio streaming is through Smartphone music/video player. ※ WARNING (iOS only) From the list of MY DEVICES, ‘i’ button behind ‘Connected’ means connection available for Audio Streaming, ‘’Connected’...
- Page 8 [App Connection] 1. Menu button on the top left - DEVICE SEARCH 2. Select EarStudio from the list. RADSONE...
- Page 9 3. Press Power button once, when Device Authentication window appears on the screen. 4. When the connection is successfully completed, the App screen is activated. You can now control your EarStudio settings with the App. RADSONE...
- Page 10 [App Features] [Menu] • Tone Volume (EarStudio F/W ver.1.1.3 or Over / App ver 1.0.9 or Over) You can adjust the tone volume of EarStudio.(Power On/Off, Connected, etc.) If you click the ‘Test Tone Play’ button, test tone is played at the currently set volume.
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Page 11: Bluetooth Option
• Bluetooth Option Bluetooth Option • Buffer Length (EarStudio F/W ver.1.2.1 or Over / App ver 1.4.0 or Over) Shorter buffer can reduce little amount of the latency, but it may cause audio lag in poor RF environment. The buffer length of 7 or higher is strongly recommended for seamless audio streaming. -
Page 12: Output Mode
• Battery care (EarStudio F/W ver.1.3.0 or Over / App ver 1.6.0 or Over) : The battery would be charged up to 80~90% only depending on the condition. This could help maximize the battery life. • Charger mode (EarStudio F/W ver.1.2.0 or Over / App ver 1.3.0 or Over) - Page 13 • Analog Volume Volume Control PDF Link EarStudio’s Hardware Volume Able to set the volume during a call and during music play separately. Audio volume during a call can be controlled only during a call. • Device Volume Control...
- Page 14 • Channel Trim Volume (EarStudio F/W ver.1.3.1 or Over / App ver 1.7.0 or Over) Able to adjust L/R channel trim volume. • Output Level Estimation (App ver 1.7.1 or Over) You can monitor the ES100 output voltage and the translated version of the voltage in [dBu] and [dBV] format.
- Page 15 While on a call with EarStudio, the Source Volume is automatically changed to control Microphone Volume. Setting Preamp on increases the volume by 21dB. • Microphone Loopback while on a call (EarStudio F/W ver.1.2.0 or Over / App ver 1.3.0 or Over) Able to control while on a call.
- Page 16 There are 12 basic Presets and 4 User Presets that can be set by the user. To save the User Preset, move the slider to the desired value and press User Preset button for 3 seconds or more. You can change preset name when saving. RADSONE...
- Page 17 The higher the level, the greater the DCT intensity. • Crossfeed (EarStudio F/W ver.1.2.0 or Over / App ver 1.3.0 or Over) Crossfeed simulates the loudspeaker listening environment, mixing the left and right channels based on the head-related transfer functions(HRTFs).
- Page 18 Slow Delay Sharp Roll-off : Minimal echo reproduces original sound. • DAC Over Sample Rate (EarStudio F/W ver.1.1.4 or Over / iOS App ver 1.1.0 or Over / Android App ver 1.1.2 or Over) Able to set Over Sampling Rate of the built-in AK4375a DAC.
- Page 19 [Ambient Sound Tab] • Ambient Sound In the Ambient mode, DSP mixes up streamed music over Bluetooth and ambient sound captured from the built-in microphone of EarStudio. Music Only : music only. ambient sound 0%. : music (50%) + ambient sound (50%) Ambient Only : ambient sound only.
- Page 20 • Ambient Shortcut Key (EarStudio F/W ver.1.1.4 or Over / iOS App ver 1.1.0 or Over / Android App ver 1.1.2 or Over) You can control whether or not to use the ‘Ambient Shortcut Key’. When set to on, press and hold the ‘Next Track Button’ to turn Ambient Mode on or off.
- Page 21 USB connection while still holding the 4 buttons. Unlike normal reset state, GREEN LED comes first and then blinks. • Disconnect and then reconnect EarStudio with USB. As in normal reset state, BLUE LED comes first and then GREEN LED blinks. ...
- Page 22 The USB cable must support data communication. If you connect ES100 to any PC through proper USB data cable in normal mode (not in DFU mode), you should see 'EarStudio USB DAC' in the device list. Otherwise, the USB cable does not support USB Data communication.
- Page 23 Press "Enter" key and “Found device” should be displayed. Enter "y" Wait while DFU is in progress. EarStudio will reset automatically when DFU is finished. Keep the device connected until getting the message: “Firmware update completed / Device restarting” [macOS] 1.
- Page 24 ES100_DeviceFirmwareUpgrade_win64.exe (windows tool) run_win32.bat (windows tool) run_win64.bat (windows tool) 4. Entering DFU mode • While press-and-holding the Power Button, connect EarStudio to PC through the USB data cable. LED will be off, if entered DFU mode successfully. 5. Run shell script file •...
- Page 25 Wait while DFU is in progress. EarStudio will reset automatically when DFU is finished. Keep the device connected until getting the message: “Firmware update completed / Device restarting” www.radsone.com support@rasdone.com RADSONE...
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