3
Description
4
1
8
5
3
11
2
10
12
-199.9
HD207 HD207-1
13
16
Alarm
Log
HD226... HD227...
14
17
15
18
4
1
8
5
3
7
2
6
9
-199.9
HD206-1 HD206-2
1)
Low
battery
: low battery indication
2)
ALRM
symbol (ALARM): when alarms are active, it indicates that one or more than one of
the acquired values have exceeded set limits.
3)
LOG
symbol (LOGGING): it flashes when logging.
4) T1
ON/OFF
and
ENTER
key: it switches the instrument on and off; when programming, it
confirms the step of the current program.
5) T2
LOG
key (LOGGING): it starts and stops data acquisition
6)
%RH
symbol: it indicates that the display is showing a relative humidity measure
7)
°C/°F
symbol: it indicates that the display is showing a temperature measure (
°C / °F selec-
tion is made from PC
)
8) T4
PROG
and
key
: this key is used to access the instrument different programming steps;
when programming, it decreases the displayed value.