24
TROUBLESHOOTING
The table presented below lists some potential problems that may occur
when using the device. If a problem encountered with the device is not
listed, or if the recommended action does not resolve the problem, the
unit should be returned for repair.
Problem
Check
The thermal imager
Battery Pack is discharged.
will not turn on.
The unit does not
USB cable is damaged.
operate on external
External power supply is
power supply.
discharged.
The image is blurry,
Calibration is required.
with vertical stripes
and uneven
background.
The image is too
Brightness or contrast level
is too low.
dark.
Poor image quality /
Problems described may arise in adverse weather conditions
Detection range
(snow, rain, fog etc.).
reduced.
Smartphone or tablet
Password in the unit was
PC cannot be
changed.
connected to the
device.
There are too many Wi-Fi
networks in the area where the
device is located which may
cause signal interference.
No Wi-Fi signal or
The device is beyond reliable
erratic signal.
Wi-Fi range.
There are obstacles between
the device and the signal
receiver (i.e. concrete walls).
27
Corrective action
Charge the battery.
Replace USB cable.
Charge the external power
supply (if necessary).
Carry out calibration according
to Section
"SENSOR CALIBRATION".
Adjust brightness/contrast with
the UP/DOWN buttons.
Delete network and connect
again inserting the password
saved in the device.
To ensure stable Wi-Fi
performance, move the device
to an area with few or no Wi-Fi
networks.
Place the device in line-of-sight
of the Wi-Fi signal.
Problem
Check
The device cannot
Remote control is not
be powered on
activated.
with wireless remote
Low battery.
control.
When using the
Because of variations in thermal conductivity, objects
scope at below zero
(surrounding environment, background) under observation
temperatures the
become warm more quickly at above-zero temperatures, which
image quality is
allows higher temperature contrast and, thus, the quality of the
worse than at
image produced by a thermal imager will be better.
At low operating temperatures, objects under observation
positive
(background) normally cool down to roughly identical
temperatures.
temperatures, which leads to lower temperature contrast, and to
image quality (precision) degradation. This is normal for thermal
imaging device.
Follow the link to read FAQs on thermal vision
http://www.pulsar-nv.com/support/faq/
Attention! The display of a thermal imager may have 1-2 pixels represented as
bright white or color (blue, red) dots which cannot be deleted and are not a defect.
The defective pixels on the sensor may proportionally increase in size when
digital zoom is activated.
Corrective action
Activate the remote control
according to instructions.
Install a new CR2032 battery.
28