SYS11000OM Rev G 
    [UF 350-HD, Generic Template] 
FLIR Systems Polytech AB     Page 16 of 70 
Antennvägen 6 
SE-187 66 Täby  
Sweden 
 
1.4.5 Zoom button 
Screen Symbology 
 
Reference/Notes 
Control type: 
Rocking centre biased analogue.  
(The switch is labelled T for telephoto and  
W for wide) 
 
Function:  
Function dependent on selected 
sensor as follows; 
1) TV sensor selected;  
 
TV Zoom control 
Pushing “T” causes the TV camera 
to zoom towards NFOV. 
Pushing “W” causes the TV camera 
to zoom towards WFOV. 
Text field 3: ### 
 
 
 
 
### = Actual FOV in degrees 
 
2) TI sensor selected;  
 
TI  FOV control 
Pushing “T” causes the camera to 
switch lens to next narrower FOV. 
Pushing “W” causes the camera to 
switch lens to next wider FOV. 
 
Text field 3: xFOV 
 
 
Actual FOV is shown: 
x  = N, M or W 
 
N = Narrow 
M = Mid 
W = Wide 
 
3) Spotter sensor selected;                  
 
Spotter Zoom control 
Pushing “T” causes the camera to 
zoom towards NFOV 
Pushing “W” causes the camera to 
zoom towards WFOV.  
 
Text field 3: ### 
 
 
 
 
 
 
### = Actual FOV in degrees 
 
When the function “matched field-of-
views” is ON; (See § 1.4.21) 
 
When switching to another sensor 
the zoom values automatically sets 
to the approximate same FOV.