4. K19's Knob/Menu/Remote control setting instruction
Power on/off/Volume Knob
Short press the knob to turn off/wake up the screen
When K19 is off, press the knob to turn it on. Hold the volume knob to turn the K19 off.
When K19 is on, rotate the volume knob clockwise to turn up the volume, counterclockwise to turn down the volume.
Menu/Input Knob
Menu setting: On the homepage, hold the menu knob to call up the settings menu, rotate it to switch between different settings, and short press it for confirmation. On the settings menu, hold the menu knob for about 2s or select and press the "Return icon" to return to the previous page.
Working mode switching: On the homepage, rotate the menu knob to erter the working mode menu, and keep rotating to successively switch between USB/COAXIAL/OPTICAL/HDMI/HDMI ARC/BLUETOOTH modes. Choosing the targeted mode and short pressing the knob for confirmation, it will switch to the corresponding mode and return to the homepage. On the working mode switching page, hold the menu knob to return to the homepage.
Menu settings instuction
Equalizer
Jazz, Rock, R&B, Hip-Hop, Pop, Dance, Classical and 10 customized equalizers can be selected for a total of 17 equalizer effects.
With DSP software, you can realize more playability.
Gain
Five types of gain can be set: Low, Medium, High, Super High and Ultra High.
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Gain switch: Ultra High,Super High,High, Medium and Low corresponding to the gain of 13dB/10dB/0dB/-3dB/-9dB.
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Gain is invalid under PRE or LO output.
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When using L/M gain, THX power supply is 12V; when using SH or UH gain, THX power supply is switched to 14.5V through software.
Output selection
(√ means the current level has output while × means no output).
LO: the output is switched to the rear panel; volume is not adjustable and no output from front panel headphone ports.
PRE: the output is switched to the rear panel; volume is adjustable and no output from front panel headphone ports.
PO: the output is switched to the front panel; volume is adjustable and no output from the rear panel ports. When connecting the headphones to K19, please select PO.
PO+PRE：the output ports in the front and rear panels have output at the same time; the volume is adjustable.
Max volume
Self-defined from 20 to 120 levels (can not be customized to volume 0 in order to prevent misuse , leading to users thinking that the machine is malfunctioning.)
Filter
K19 has original 7 filters of the DAC chip. You could choose the filter according to your listening preferences.
Dimmer
Adjustable brightness 1~5 levels
Screen timeout
When the screen is inactive for the set time, the display will turn off automatically. Adjustable 15 seconds to 30 minutes.
Rotate screen
You can customize the screen flip angle. There are default, 90 °, 180 °, 270 ° four angles can be selected.
Smart idle time
When K19 is not in working condition (e.g. stop playing) and reaches the set time, the background will turn off part of the circuit power supply to minimize heat generation and save power. When resuming the working state (e.g. replaying), K19 automatically enters the working state and resumes output. Three time values of 2min/10min/30min can be selected. When OFF is selected, it means that the intelligent power saving is not enabled and the K19 will continue to be in the normal working decoding state.
U-AUDIO
Support UAC1.0 and 2.0 modes. UAC 1.0 is driverless mode: supports PS5, Switch and other drive-free devices;UAC2.0: high bit-rate transmission mode
Language/语言
switch between Chinese and English
Factory Reset
The K19 can be restored to factory settings, resetting all parameters, including customized EQ parameters and Bluetooth pairing record that have been saved in the K19. The cache information will be cleared without downgrading the firmware version.
Version
Check MCU, DSP, FPGA firmware version.
Bluetooth version could be checked via FiiO Control APP; XMOS firmware version could be checked via Window USB DAC driver panel.
Update
Enter MCU firmware upgrade mode
