Nikon IRT 4-12X42 - Manual (Page 4)

Status of the Internal Display
Changing Battery
• Type of battery
Scope – 3V CR2 Lithium Battery
Remote control unit – 3V CR2025 Lithium Battery
• Battery change
Scope
1. Loosen the Battery Chamber Lid screw with coin. (Fig. 5)
2. Replace the CR2 Lithium Battery correctly. (Fig. 6)
3. Tighten the lid screw firmly for air tightness
Remote control unit
1. Insert the metal plate into the groove of opposite side of LED. (Fig. 7)
2. Press down the metal plate (a) to lift up the rear cover (b). (Fig. 7) There are eight
hinge stoppers. (Fig. 8) (Be careful to break the hinge stopper.)
3. Replace the CR2025 Lithium Battery correctly. (Fig. 8)
4. Put the rear cover back and press the edge of cover to catch the hinge stopper.