General Tools and Instruments DCM7021 - Manual (Page 4)

FUNCTIONS OF KEYBOARD:
POWER/CALIBRATION
1. Press button to switch power On or Off
2. Press and hold button to enter calibration mode
FUNCTION MODE
1. Press button to select the desired measurement mode Conductivity, TDS, or
Salinity
2. Press and hold button to change degree °F or °C
HOLD/MIN&MAX
1. Press button to enter Hold mode
2. Press and hold button to enter Minimum/Maximum mode
Press button lightly to get Minimum/Maximum value
3. Press and hold button again to exit this mode and return to Measurement mode
DISPLAY DESCRIPTION:
DCM7021 Manual FINAL-8-15:Layout 1 8/15/08 12:00 PM Page 4