General Tools and Instruments WDCFM8912 - Manual (Page 9)

During this 60 second time, the vane should move along the whole
outlet to cover each area so the measured data could be more
accurate. The count down number displayed on the top-left corner
as a reminder and meter also beeps when 60 seconds is up.
After time is up, 60 seconds average volume will display on the
LCD as Fig O.
(Fig. N) (Fig. 0)
If there are more than one outlet, you could press
ENTER
key again
to repeat the procedure from outlet size input. You could measure
outlet as many as you need.
After measuring more than one outlet volume, you could press
L
Mx/Mn key to review the sum of all outlets. Pressing
M
HOLD key to
review the last outlet capacity.
If you would like to measure more than 1 inlet, please wait for 10
minutes and allow the humidity sensor to return to the room
humidity or help it by home ventilation.
LOW-BATTERY
Two level low battery indication:
• Level 1: Battery indicator will flash when at level 1. ln this
situation, the meter will work normal however users
should prepare new batteries.
• Level 2: Battery indicator will always display on the LCD while at
level 2. In this situation, users need to change batteries
immediately.
1. Open the battery cover on the rear side.
2. Remove the expired batteries.
3. Insert new “AAA” batteries and make sure the batteries are
inserted with correct polarity, replace the cover.
AC TO DC ADAPTOR
The compatible AC to DC adaptor is 9V and at least 200mA.
AVAILABLE SIZE RANGE
Please refer to below input size range. Please be reminded that in
metric L/W/D, the value after decal is not selectable.
L/W/D AREA
cm 000.0-999.0 00000-99999
inch 000.0-999.9 00000-99999
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WDCFM8912 Manual final2F-062708:Layout 1 6/27/08 10:55 AM Page 9