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8 Radio

8.1 General description

8.2 Determining radio quality

8.3 Radio channel / Frequency

8.4 Range

Radio is used as a bus link for data packages between the transmitter (Portable Control Unit) and

receiver(CentralUnit),theradiocontinuouslytransmitsthepositionsoftheanalogueanddigital

inputs available on the Portable Control Unit to the Central Unit for further processing.

Thedigitalizeddatatransferprotocolusesahighsecuritylevelforvericationofeachdatapack-

age,nolossofindividualfunctionsduetoradiointerferencescanoccur.

The unique ID-code held in the Portable Control Unit ensures that the system can not be operated

unintentionally by other Control Unit.

The transmission allows interferences to some extent as long as multiple data packages are not

interfered successively.

TheradioqualitycanbedeterminedbytheexternalstatusLEDand/ortherst7-segmentonthe

LED-display during radio communication

WhenanoptimalcommunicationisacquiredtheexternalStatusLEDwillbexedgreenandthe

Central Unit LED-display will indicate “1x” (x being dependent on program setting).

Shortinterruptionsandlossesofdatapackageswillbeindicatedbyirregularashesofthese

indicators,anincreasingintensityofashesindicatesadecreasingradio

reception.

Notethatirregularashesisacommonoccurence,unlesstheycauseaninteruptionincommuni-

cation they should not be considered a cause for concern.

Refer to separate document for radio channel used in your region

Fixed indications

Fixed green

Flashing green

(Irregular)

Fixed red

Irregularashes

Standby

NOTE:

Insuchcasesthatalockedfrequencyisusedthesecond7-segmentindicationwillbedifferent,

check chapter 6.2 for further information.

Document type Document number PageRev

Service Manual S071 C

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Scanreco RC400 G2B User Manual

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