Teac AI-303 2-Channel Desktop Integrated Amplifier with Hi-Res DAC & Bluetooth (Black) - Manual (Page 23)

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Input indicator lighting
Pressing the DISPLAY, FILTER or UPCONVERT button on the remote control will cause the input indicator lighting to change,
showing the state, as follows.
Item State
Input source indicators
USB
HDMI
(ARC)
COAX
LDAC
OPT
LHDC
LINE 1
aptX
LINE 2
AAC
Sampling
frequency of
playing audio*
48kHz multiples Blue – – – – – –
44.1kHz multiples – Blue – – – – –
32kHz multiples – – Blue – – – –
Sampling
frequency of
playing audio
(PCM)*
1x – – – – – – Green
2x – – – – – Green –
4x – – – – Green – –
8x – – – Green – – –
Sampling
frequency of
playing audio
(DSD)* DSD64 – – – – – – Magenta
DSD128 – – – – – Magenta –
DSD256 – – – – Magenta – –
Digital filter
RDOT – Blue Blue – – – Green
FIR – Blue Blue – – Green –
Upconversion
setting
OFF Blue Blue – – – – Green
2× Fs Blue Blue – – – Green –
4× Fs Blue Blue – – Green – –
8× Fs Blue Blue – Green – – –
*These are shown at the same time.