6-4
Using the Time Key Functions
Model 820 Technical Reference Manual
Step 11
Press the
d
to
Stop Time 2
. Press
m
to enter
16 30
and
e
.
Step 12
To check your
Timer
setup, press
c
. This will
return you to the main screen. Press
Ut
and
the following screen should appear:
Step 13
If you press the
r
key, it will give you the morning
time run. If you press the
r
again it will give you
the afternoon time run settings:
The Model 820 can now be turned off by pressing
UO
and placed in the test area. Make sure to check the
battery (Chapter 2) or connect to external power. Also con-
sider the safety of the instrument during the test period.
Finally, verify that the current time and date are set correctly
in the internal clock of the 820. The following section covers
setting the time and date. The Model 820 will turn itself on and
begin measurement at the appropriate time.
Using the Time Key Functions
In Chapter 5 we learned to take a measurement and examine
some of the data gathered during that reading. The TIME key
functions as a record of when the last measurement started.