Tracker-T2.380/Tracker-T4.642. Operation Manual
8
5 PREPARATION FOR USE
5.1 Batteries Installation
The Device is powered by two batteries CR123. Ensure that
the batteries are inserted into the Device in accordance with the
labelling inside the battery compartment, and they are
adequately charged.
To change the batteries, remove the screw
(10)
(Fig.1) of
the battery compartment cap and replace the old batteries with
new ones observing their polarity.
5.2 Start-up and Shutdown
Turn on the Device by pressing and holding button
(1)
(Fig. 1) for more than two seconds until the image appears on
the screen.
Two-three seconds later the observed image appears in
the field of view.
Turn off the Device by pressing and holding button
(1)
(Fig. 1) for more than two seconds after use.
6 DEVICE DESIGN AND OPERATION
The Device has the built-in operational menu with the
structure as shown in Fig. 3.
Focusing of the objective lens is adjusted by rotating the
knob
(9)
(Fig. 1) to achieve optimal sharpness of the observed
objects.
To adjust the dioptre setting, rotate the eyepieces
(8)
as
shown in Fig. 2
.
The interpupillary distance is adjusted by moving the
eyepieces
(8)
together and apart for optimal vision through
both eyes.
Figure 2. Dioptre and Interpupillary Distance Adjustment
