TIF VA500A Digital HVAC Analyzer - Manual (Page 23)

5.5.5 The VA500A is requesting
the A\C outlet’s length.
Using the
SÇ
buttons enter
the outlet’s length, in
inches. (Fig.14 step 4 &
Fig.15) DO NOT PRESS
ENTER UNTIL STEP 5.5.7
5.5.6 TO MEASURE ROUND
GRILLS - At step 5.5.3,
press ENTER button for
more than 2 sec until
DIAMETER (flashing) is
displayed on LCD.
Figure 14
Air inlet and filter
NOTE: When measuring return air the probe should be in
the center of the inlet (no need to move it during measuring)
Figure 15
Page 12
5.5.4 Using the SÇ buttons
enter the outlet’s width, in
inches and press ENTER
(Fig.14 step 3). Flashing
“ENTER LENGTH” will be
displayed on LCD.