User Guide

5
FUNCTIONAL DESCRIPTION
1) Power adapter plug
2) Connector for the HI 504910 interface cable (HI 7920)
3) Electrode Connector
4) Liquid Crystal Display (LCD)
5) ON/OFF key, to turn the meter on and off
6) ALT key, to alternate key function
7) DISPLAY / CAL DATA key, to select measurement ranges, to
display time and date, and to view calibration data (with ALT)
8) CFM key, to confirm values
9) CALT key, to move down or calibrate temperature (with ALT)
10) CAL key, to move right or calibrate pH (with ALT)
11) SETUP key, to move up or enter setup mode (with ALT)
12) TXCAL key, to calibrate the HI 504910 Digital Transmitter