9
Terminator: The terminator marks the end of message. The terminator character is
the Chr$(13) or Hex 0D.
Example Of Visual Basic Code: Below is an sample section from a Visual Basic
program. This example produces a non-inverted, non-priority page sent to a 512
baud Alphanumeric Pager.
MSComm1.PortOpen = True (Opens serial port for communication)
Preamble = Chr$(255) & Chr$(255) & Chr$(255)
FBit = Chr$(03) (Set Function bit #3 (non-priority for Alpha))
Cap Code = “1236789” (where ‘123’ is the cap code prefix and ‘6789’ is the Pager number)
Separator = Chr$(10) (This is an Non Inverted, 512 RF baud, Alpha Page)
PagerMessage = “This is a test Page”
Terminator = Chr$(13)
OutPutString = Preamble & Fbit & CapCode & Separator & PagerMessage & Terminator
MSComm1.Output = OutPutString
Example of Hex Data Stream Into Transmitter:
[FF FF FF 03 31 32 33 36 37 38 39 0A 54 48 49 53 20 49 53 20 41 20 54 45 53 54 20 50 41 47 45 OD]
Example Data Stream reads as:
| P | F | Cap Code:1236789 | S| Message: THIS IS A TEST PAGE | T |
P =Preamble
F = Function Bit
Cap Code = Seven Digits (the 3-digit cap code prefix should match the cap code prefix stored in the
Transmitter; the remaining 4 digits represent the Pager number)
S = Separator
Message = A maximum of 120 alphanumeric or 16 numeric characters (Function Bit determines
alphanumeric or numeric)
T = Terminator
Service
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JTECH provides complete diagnostic technical support 24 hours a day, 7 days a
week.
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charge.
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warranty there will be a nominal service fee charged when the equipment has
been repaired and shipped.
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credit card. If “advanced replacement” is required, replacement equipment will
arrive with a packing list and a Return Material Authorization Sheet (RMA). To
return the defective equipment and ensure proper credit, include the Return
Material Authorization (RMA) sheet in the shipment back to JTECH. Mark the
outside of the box with the Return Material Authorization (RMA) number. If
advance replacement of equipment service is used and the defective equipment
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list price of the equipment to the Customer.
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costs. Costs for shipping equipment from the Customer to JTECH are the
responsibility of the Customer. JTECH recommends using a shipping service
that is traceable in case shipping delays occur.
Service RS232 Programming
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