568 EX
Users Manual
18
External Contact Probe
The Product has a bead KTC probe. The probe attaches to the
Product via the probe input located on the top of the Product (see
Figure 7).
With the probe installed, the probe symbol (
) shows on the
display. The probe can be used simultaneously when the Product
is making non-contact measurements. The probe measurements
are shown below the non-contact measurements. The Product
stays on when a probe is inserted.
Troubleshooting
See Table 4 for solutions to possible problems during Product
operation.
Table 4. Troubleshooting
Symptom Cause
Action
--- (on display)
Target temperature is over or
under range.
Select target within
specifications
Low batteries
Replace batteries*
Blank display
Product is asleep
Possible dead batteries
Pull trigger
Replace batteries*
Laser does not
work
Low or dead batteries
Ambient temperature is above
40
°
C (104
°
F)
Replace batteries*
Use in area with lower
ambient temperature
Inaccuracy
Possible incorrect
emissivity setting, field of
view, or spot size
See “Emissivity”, “Field
of View” and “Distance
and Spot Size” sections.
Settings such as
emissivity,
date/time, F/C,
and saved data
lost
Battery dead or not replaced
in <1 minute of removal
Reset settings. Replace
batteries as soon as low
battery indicated;
Exchange the batteries
within one minute of
removal. *
*For details about battery replacement, please refer to the separate Safety
Instructions.
