31
Figure 48. Digital input (a
–
b).
9.2.2
Touch Screen configuration
Press on
Settings
icon
to enter the
Settings
menu, as shown in the Figure 49 a. To enter the Touch
Screen configuration menu, press on the icon
, as shown in Figure 49 b.
Figure 49.Touch screen settings (a
–
b).
9.2.2.1
Touch Screen Options
Press the
Options
icon
(see Figure 50 a) to enter the
Touch Screen Options
page. The Display Options
menu allows to set the time frame in which the minimum and maximum CO
2
values are collected.
To insert the time frame, press the
+ / -
icons or scroll the
Chart history length
bar (1 in Figure 50 b).
Note
►
The chart history value length is pre-set at 5 minutes.
Note
►
Recommended value for the chart history length is 60 or 120 minutes.
To change the sound frequency press the
+ / -
icons or scroll the
Buzzer frequency
bar (2 in
then press
Save
(4 in Figure 50 b) to confirm.
Note
►
To activate a sound at each touch, flag the Touch Buzzer checkbox (3 in Figure 50 b).