User Manual

2-14
2.12.2 Polarity (POL)
. Activating the POL menu item allows
the operator to toggle between white hot (WH) and black hot
(BH) polarity modes and is accomplished as follows:
Figure 2-9 Menu – Polarity (POL)
which calls up this sub-menu:
Use the LEFT / RIGHT buttons to select the desired polarity
mode and press the MENU / ZOOM mode to activate.
When in white hot mode, objects with the hottest thermal
signature will appear white and those with the coolest
thermal signature will appear black. In black hot mode, the
reverse is true.
2.12.3
Calibration (CAL)
.
NOTE
Failure to cover the objective lens prior to initiating
a calibration may result in a distorted picture or the
presence of ghost images in the eyepiece display.
WH BH
ZOOM 1X
POL
CAL
RETINT
RET
RS170
EXIT