NARDA 8718B, User Manual

Page: 50 / 137

49 Chapter 8 Data Logging
3. Press F4 ( QUIT ) or F3 ( MENU ) if you change your mind.
4. The meter will automatically return to the measurement
screen with new options available for the function keys.
5. Proceed to make measurements as normal. To initiate
making a spatially-averaged measurement that will be
logged, hold the meter in one hand and the probe in
the other with the head of the probe touching the
ground.
6. Press F1 ( START) while slowly moving the probe
vertically at a constant rate of movement . Keep your
finger on the F1 key during this operation.
7. Strive for an interval of about ten seconds between
starting and stopping the timer. The displayed value
will flash and the audio signal will sound every second
as a timing aid.
8. When the probe reaches the height equal to the top of
an adult's head (about 6 ft./1.9 m), press F1 again
( STOP ).
N E W L O G G I N G R U N :
E N T E
N E W F R N O . _ _
O K C L R M E N U Q U I T
F1 F2 F3 F4
R E
1 2 . 1 % S T D
2 7 . 5 M A X C F 1 . 0 0
S T A R T M A X R E N D Q U I T
F1 F2 F3 F4
It is important to
move the probe
vertically at a con-
stant rate to obtain
an accurate spa-
tially averaged
measurement.
N
ote