Ref :UM-CT7-11-001 Issue : 01 Date : 28/04/2011 Page 18 of 35 6.3 Report menu Choose the Report menu by navigating in the left column and entering the selected third place (Left – Down – Right). 6.3.1 Data Data operation allows displaying the results that are memorized in the instrument. The data pertaining to the last measurement are shown upon entering the Data operation. + 10 Previous Next Press-ENTER : validate -10 When the screen shows a measurement data, other measurement can be displayed by navigating with the joystick: LEF T for displaying the previous measurement, RIGHT for displaying the next, UP will move 10 measurements later, and DOWN ten measurements before the displayed one.
Measurements can be identified by their index and date. 6.3.2 Calib Usually calibration is performed when one suspects any pollution or if time elapsed since the last calibration is estimated too long, or if some measured values are suspect. Place CT7 at the calibration target, activate Menu MEASURE / Calibrate. Note: OPO has devised a VW jig allowing direct absolute calibration of a gauge just before using it. This is the only procedure that allows checking the calibration of the instrument and correcting it if needed. This document is OPO property. It may not be either used or copied without authorization. OPO sprl, Crawhez 9, 4890 Thimister Clermont, Belgium. +32 87688989 - +32 87598990