2 datalogger initiated communications – Campbell Scientific RF300-Series DRL VHF/UHF Radio Transceivers User Manual
Page 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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