General Tools and Instruments CDM7722 - Manual (Page 8)

DP/WB
M / X N
AVG
Press or to increase the value or
to decrease. Each press tunes 100
ppm and the alarm range is from 100 to
9900ppm.
7
CO
2
Fig. 8
SET SET
CO
2
PPM
P1.0 CO ALARM:
UPPER&LOWER LIMITS
2
Fig. 9
When entering setup mode, P1.
0
and
“AL” (Fig.8) are displayed on the LCD.
Press again to go into P1.
1
for setting
CO upper limit. The current set value
2
will be blinking on LCD(Fig.9).
CAUTION:
It’s suggested to set up the alarm
value within specification range
that accuracy is ensured. The out
of spec readings are only for
reference and not suitable to use
as alarm limits.
SETUP
SET SET
CAL
ESC
CAL
ESC
Hold down under normal mode for
more than 1 sec to enter setup mode.
To exit setup, press in P1.
0,
P3.
0,
or
P4.
0
and it returns to normal mode.
Note:
P2.
0
is not applicable in these models
but for future model with CO and CO
2
measurements.