Set Calibration Pass Code (V4)
Set the Calibration Pass Code in the node (code found below).
This enables calibration settings. Use this function with data set to zero to clear the Calibration Pass Code.

Setting the Calibration Passcode requires the General Pass Code to be valid.

N.B. The pass code remains in its current state until one of the following -

1) The transducer/meter is re-booted ooted
2) The Calibration Pass Code is cleared
3) The General Pass Code is cleared
4) There has been no 4X register write functions for 6 minutes.

Sample Coding V4
Slave Address = 1
Writing To 4X Registers - code 16 (10 hex)

Message Packet To SLAVE
01 10 00 48 00 02 04 46 8B DA 00 C8 3B
N.B. 46 8B DA 00 = 17901

Response Packet From SLAVE
01 10 00 48 00 02 C1 DE