15
16
= Wi-Fi – off (default password)
= Digital zoom – off
= PiP – off 
= Colour palette – White Hot 
= Unit of measurement - metric
Warning: date and time settings, default pixel map 
and remote control activation are not restored. 
Lens 
selection
Lens selection is used when replacing objective 
lenses  for  the  models:  HELION  XP28;  HELION 
XP38; HELION XP50. 
Selection of the lens type is important for the correct 
display of the optical magnification and adequate 
operation of the Stadiametric rangefinder.
= Replace the objective lens: to do this, move the 
latch  (13)  backwards,  turn  the  lens  counter 
clockwise all the way and remove the lens. 
= Install a new lens, move the latch backwards and 
move clockwise until the latch snaps. 
= Enter the submenu with a short press of the M 
button. 
= With  a  short  press  of  the  UP/  DOWN  buttons 
select the desired lens: 28; 38 or 50.
= Confirm  selection  with  a  long  press  of  the  M 
button. 
Remote
Control
Remote control activation (bought separately)
Before  operating  the  remote  control  (RC), 
remember to activate it as follows:
= Press the M button, countdown starts (30 sec), 
within which hold down for two seconds any RC 
button.
= If  activation  is  successful,  the  message 
«Connection complete» appears      . 
= If error occurs the message «Connection failed» 
appears       . Repeat the procedure. 
= The RC is activated and ready for use.
Defective 
pixel repair
Defective pixel repair
When operating a thermal imager, defective (dead) 
pixels (bright or dark dots with constant brightness) 
may become visible on the sensor. HELION thermal 
imagers allow the user to repair defective pixels on 
the detector using a software-based method or to 
abort deletion. 
= Enter the submenu with a short press of the M 
button. 
= Select icon        with a short press of the M button. 
= A  marker            appears  on the  left  side  of the 
display. 
= On  the  right  side  of  the  display  appears 
“magnifying glass” – a magnified image in a frame 
with  a  fixed  cross          ,  designed  for  easier 
detection of  a  defective pixel and  to match the 
pixel  with  the  marker,  horizontal  and  vertical 
arrows  for  X  and  Y  axes  showing  marker's 
movement              .
= With  a  short  press  of  the  UP/  DOWN  buttons 
move the marker to align it with a defective pixel. 
= Switch the direction of the marker from horizontal 
to vertical and vice versa with a short press of the 
M button. 
= Align the defective pixel with the fixed cross in the 
frame – the pixel should disappear. 
= Delete the defective pixel with a short press of the 
REC (7) button. 
= A brief message “OK” appears in the frame in 
case of success. 
= Then you can delete another defective pixel by 
moving the marker along the display. 
= Exit “Defective pixel repair” option with a long 
press of the M button.
+
Return to default defective pixel pattern 
This  option  allows  you  to  cancel  deletion  of  the 
defective  pixels  and  return  them  to  the  original 
state. 
= Enter the submenu with a short press of the M 
button. 
= Select icon      and press М. 
= Select  “Yes”  if  you  wish  to  return  to  default 
defective pixel pattern, or “No” if you do not. 
= Confirm  selection  with  a  short  press  of  the  M 
button. 
This option allows the user to view the following 
information about the device:
= Full name
= SKU number
= serial number
= software version
Device 
information
x=95
y=99