21
To enter Pipe Location Mode, press the impulse image
soft key (second soft key from left) while the Welcome Screen is still
displayed.
When in Line Location Mode, the impulse image will be visible
in the top left corner of the Main Screen and the measured sound
level will be displayed by a single, wide bar. Upon entering location
mode, the filters on the HL 5000
are automatically set to a low
range of frequencies, but, if desired, can be changed manually by
the operator (see Filter Setting, section 3.5.2).
Once placed in Line Location Mode, the HL 5000
will stay in line
location mode until it is switched off. When the unit is turned on
again, it will be in normal leak detection mode.
3.11
Switching off the HL 5000
The equipment is switched off by pressing and holding the
button until the images on the LCD disappear. When
the unit is turned off, any stored measurements will be lost.
The HL 5000 will switch off automatically after 35 minutes of
continuous operation.
In memory mode
the equipment will remain on as long
as it remains in use. After 35 minutes of inactivity, the unit
will switch off automatically.
