ETS-Lindgren HI-3520 Microwave Monitor (Archived) - Manual (Page 12)

Page 8 HI-3520 Manual
In the "Set-Up" mode (section 3.5), depress and hold the
MODE switch. After three seconds, the preset alarm
warning level will be displayed. Release the MODE
switch. Depressing and holding the MODE switch again
at this point will result in a rapidly increasing alarm
warning level indication. Continue to depress the MODE
switch until the desired alarm level is approached. Then
release the MODE switch and pulse it at a convenient
rate until the desired alarm warning level is reached.
Once it is reached, set the ON-OFF switch to OFF and
then to ON again. The alarm warning level that has just
been set will remain in memory until changed again as
described above.
3.7 Enabling/Disabling Audible Alarm
In the "Set-Up" mode (section 3.5), continue to depress
and release the MODE switch and observe that the
audible alarm indicator (a small bell in the upper left area
of the LCD display) appears and disappears. If an audible
alarm is desired, allow the audible alarm indicator to
remain visible; if an audible alarm is not required,
continued to depress and release the MODE switch until
the audible alarm indicator disappears. Using the ON-OFF
switch, turn the unit OFF and then ON again.
3.8 Measurement Modes
The Model HI-3520 Measurement Mode can be set to
either "Instantaneous" or "Average" by depressing and
releasing the MODE switch while the unit is in its normal
operating mode. See sections 3.9 and 3.10.
3.9 "Average" Measurement Mode
When the AVG annunciator on the left side of the display
area is visible, a six-minute running average is maintained
by the unit. Power density is sampled every 3.6
seconds. During the first six minutes (i.e.-360 seconds
Archived 4/2/10