Owner's Manual

Tru Pointe
Instruction 0019-9328
7
Turning the Instrument ON / OFF
See Figure 3. The instrument is toggled ON and OFF by pressing the
on/off button.
WhentheinstrumentisrstturnedON,observethatthegreenpower on
LED will glow, and that the red leak rateLEDashesrapidlyalongwith
the audible indicator producing a rapid ticking sound or constant tone.
The instrument requires a minimum of 10 seconds to warm up. After
which time both the leak rate LED and audible indicator should slow
downtonomorethan1or2ashes/tickspersecond.
Notethatduringthewarm-upperiod,theinstrumenthaszeroedoutany
background concentration of refrigerant vapors that may have been present
in the area.
After the instrument is turned ON and allowed to warm up, it is ready
to perform leak testing as described in Section Procedure for Locating a
Refrigerant Leak.
Operation
Figure 3. Indicators and Controls
Green LED:
ON = Instrument turned ON
Blinking = Low battery condition
Amber LED:
ON = High Sensitivity
OFF = Low Sensitivity
Blinking = Sensor Failure
Red LED:
Flash rate increases when the instrument
detects an increased level of refrigerant
Press to toggle instrument ON and OFF
Press to toggle between high and low sensitivity