Campbell-scientific RF300-Series DRL VHF/UHF Radio Transceivers Manual do Utilizador descarregar pdf (Página 34)

SECTION 4. OPERATION OF THE RADIOTELEMETRY NETWORK

4-4

4.2 DATALOGGER INITIATED

COMMUNICATIONS

The datalogger can call the computer to initiate

data collection, sometimes termed "call back."

Instruction 97, Initiate Telecommunications, is

used for this purpose. Call back is commonly

used to initiate data collection under emergency

situations (e.g., water level falls below lower

limit). Call back is not the preferred method for

routine data collection.

The computer must be left on and dedicated to

RF communication to implement the call back

option. Call back instructions are explained in

the datalogger manual. The PC208W Manual

explains the use of call back in a

telecommunications network.

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Campbell-scientific RF300-Series DRL VHF/UHF Radio Transceivers Manual do Utilizador Página 34