General Tools and Instruments CMM880 - Manual (Page 6)

(1) Press and hold MN/MX button until
(MIN) appears on display.(See
Fig.G) Display is now showing
minimum humidity and temperature
reading in memory.
(2) Press and hold MN/MX button again
until (MAX) appears on display.
(See Fig.H) Display is now showing
maximum humidity and tem-
perature readings in memory.
(3) To return to current temperature
and humidity readings press and
hold MN/MX button until Min or Max
disappear from display.
(4) To clear current MIN and MAX
reading from memory press and
hold. Reset button until entire
display flashes.
Fig. G
% MIN
C
Fig. H
%
MAX
C
LOW-BATTERY
The entire display flashing is the signal
to replace batteries at once. Failure to
replace batteries will have an effect on
the accuracy of the readings received
from the hygrometer.
Note: Remember Low Batteries will
tend to give inaccurate readings, so
make sure you have good batteries.
5
MIN./MAX. FUNCTION