User Guide

20
• As soon as the reading is stable, the
"CFM" indicator will start blinking. Press
the CFM key to confirm the "100.0%"
D.O. reading.
• If the reading is not close to the selected
value, "WRONG
BUF
1
" and "WRONG " will
blink alternatively.
• If the reading is within the margins (±15%),
the meter stores the value (and adjusts
the slope point). The calibration is ended
and the meter will then revert to the nor-
mal measurement mode.
Note:
• HI 964400 has automatic buffer recog-
nition function. Press the UP or DOWN
arrow keys to select the desired cali-
bration value, but if these keys are
pressed, the automatic buffer recogni-
tion function is disabled.
• Press the CAL
key at any time
to exit the cali-
bration mode.
CFM
%
CFM
%
WRONG
BUF
%
WRONG
CAL