Dynamic range control (DRC)
In DAB+ mode:
The dynamic range for each radio programme is set by the
broadcaster for each radio station and may be dierent for
the types of programme broadcast, such as pop or classical
music or a chat show. The dynamic range control signal is
transmitted in parallel with the audio signal for each
programme and with your radio you can use this control
signal to expand or compress the dynamic range (the
dierence between the loudest and quietest sounds) of the
reproduced audio signal. Changing the dynamic range
can aect the ‘loudness’ and/or ‘quality of sound’ of the
programme that you hear so that it will be more suited to
your listening conditions and your own personal listening
requirements. e.g. in a noisy environment, where quiet
sounds might be swamped, setting the compression to
maximum will ‘boost’ the quiet sounds, whilst keeping the
loudest sounds at their original level.
There are 3 levels of compression:
DRC O - no compression. This is the default setting.
DRC Low - medium compression.
DRC High - maximum compression.
1. Press the ‘Menu’ button.
2. Use the or button to scroll to ‘DRC’ and press the ‘Enter’
button. The current DRC setting will have an ‘*’ next to it.
3. Use the or button to scroll through the 3 compression
level options available and press the ‘Enter’ button to select.
Harlequin DAB UG.indd 9 12/12/12 18:46:55
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