4
Function Key Panel
(A) POWER/RESET key
POWER: When this device is off, pressing this key turns the power on. Pressing it again
turns the power off.
RESET: While in maximum/minimum/mean value measurement mode, pressing this key clears the
maximum, minimum, and stored mean values.
(B) MODE key
This key allows you to select wind speed
measurement mode (“VEL”), cross-section input mode
(“AREA”), or air flow measurement mode (“FLOW”).
(C) HOLD/ADVANCE key
HOLD: Pressing this key holds (freezes) the displayed value while in wind speed measurement
mode or air flow measurement mode.
ADVANCE: This key is used to enter a cross-sectional area while in cross-section input mode.
Each time the key is pressed, the value increments (0 to 9).
(D) MIN/MAX RECORD/SINGLE POINT key
Pressing this key displays the maximum and minimum measured wind speed (or airflow rate) and
temperature values.
(E) NEXT DIGIT MULTI-POINT AVERAGE key
NEXT DIGIT :This key is used to move the cursor to the next cross-sectional area digit while in
cross-section input mode.
MULTI-POINT AVERAGE: This key is used to display the stored mean wind speed (or air flow) and
temperature values.
