Restoring factory calibration settings – Grant Instruments TXF200 Operating Manual User Manual
Page 35

TX150 & TXF200
30424 V6
Operating Manual
Page 34
www.grantinstruments.com
EN
1. Press the F and S buttons simultaneously for 3
seconds.
The calibrate probe menu displays the factory
defined calibration points and the current
temperature of the bath in the top right corner of
the screen.
2. Rotate the dial to highlight add point, press S to
select.
The calibrate point menu is displayed. If an
external probe has been selected the external
probe icon will be displayed in the top left corner.
Otherwise the settings icon will be displayed when
calibrating the internal probe.
3. Rotate the dial to highlight measured
temperature. Press S to select
4. Rotate the dial until the temperature being shown
on the calibrated thermometer is displayed on
screen. Press S to save the value.
5. Rotate the dial to highlight save, press S to select.
The display returns to the calibrate probe screen.
6. Press F to return to the home screen
Further calibration points can be added by
repeating steps 2 to 5.
Calibration points can be deleted by selecting
delete in the calibrate point screen.
5.4.1 Restoring factory calibration settings
If the thermometer value is entered before the bath temperature is completely stable the
calibration could be poor and liquid temperature readings will be incorrect. If the
TX150/TXF200 is not in accordance with the thermometer following calibration then it
may not have been successful and the unit should be reset, using the restore factory
settings function.
1. Press the F and S buttons simultaneously for 3
seconds.
2. Rotate the dial to highlight restore factory, press
S to select.
Yes/No are displayed.
3. Rotate the dial to toggle to yes, press S to select.
Factory calibration values are restored.
4. Press F to return to the home screen
.
°c
Point 19.86
Calibrate Probe
Point 70.04
Add Point
Restore Factory
Yes
.
°c
Measured Temperature
Calibrate Point
.
Save
Delete
.
°c
Point 19.86
Calibrate Probe
Point 70.04
Add Point
Restore Factory