POWER/CHG (power/charge) indicator

When the headphone amplifier is being charged, the indicator flashes/lights up in red.

When the headphone amplifier is turned on, the indicator flashes/lights up in green.

While the headphone amplifier is being charged

Turns off

The headphone amplifier is fully charged.

Lights up (red)

The headphone amplifier is being charged.

Flashes (red)

The headphone amplifier is not being charged properly.

When the headphone amplifier is not in the battery charge status

You can check the battery level by the number of times that the indicator flashes when the headphone amplifier is turned on.

Turns off

The headphone amplifier is not turned on.

Lights up (green)

The headphone amplifier is turned on.

Flashes three times (green)

The battery is substantially charged.

Flashes twice (green)

The battery is half charged.

Flashes once (green)

The battery level is low. It is necessary to charge the battery.

Always flashing (green)

If you continue to use the headphone amplifier without charging, it will turn off in a few minutes.

Hi-Fs (High Sampling Frequency) indicator

Turns off

The headphone amplifier is being input with;

• the linear PCM digital signal of sampling frequencies under 48 kHz
• the analog signal

Lights up

The headphone amplifier is being input with;

• the linear PCM digital signal of sampling frequencies not under 48 kHz
• the DSD digital signal of the High-Resolution Audio format

DSD indicator

Turns off

The headphone amplifier is being input with;

• the linear PCM digital signal
• the analog signal

Lights up

The headphone amplifier is being input with the DSD signal of the High-Resolution Audio format.