Edic 17920 Manuale operativo - Pagina 7

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The sample rate defines the bandwidth, which is a little less

than a half of the sample rate.

The best record quality can be achieved in the without-com-

pression mode, then in order of the record quality deterio-

ration the modes are the following: logarithmic mode, 4-bit

ADPCM, 2-bit ADPCM. Moreover, it should be borne in mind

that modes with a high sample rate require higher current

consumption of the DVR that decreases the battery life.

DVR.Operating

To switch on the DVR just after the battery installation (or

after charging the completely discharged battery) press the

control button on the DVR and hold it for 1-2 seconds. The

indicator will blink three times, showing the DVR has started

self-testing. In 5-10 seconds the indicator will blink for the

forth time and the DVR will be ready to work.

A 30-60 second pause is recommended between extracting

the old battery and installing a new one for a reliable DVR

start.

Record.Tuning.

You may select parameters of message recording (e.g. the

quality/compression ratio) in the DVR setting window of the

RecManager program before recording. These settings are

saved when replacing the battery.