3 the touch pad, 0 safety – HF scientific MicroTPW Field Portable Turbidimeters User Manual
Page 10

MicroTPI & MicroTPW (5/10)
Rev. 1.9
4
1.3
The Touch Pad
The touch pad has five buttons: ON/OFF, CAL,
↵, t,
and
u.
The ON/OFF button is
used to turn the instrument on and off. The CAL button is used to enter or exit
calibration. The
↵
button, when pressed and held can be used to index the current
sample, when the button is released it starts a reading or calibration. The
t
and
u
buttons are used to change the calibration points.
2.0 Safety
This manual contains basic instructions for the operation, care and maintenance of the
instrument. The safety protection provided by this equipment may be impaired if it is
used in a manner not described in this manual. It is recommended that all operators
should read this manual prior to working with this instrument.
In certain instances NOTES, or helpful hints, have been highlighted to give further
clarification to the instructions. Refer to the Table of Contents to easily find specific
topics and to learn about unfamiliar terms.