Operation Manual

104

• Carefully place the Battery Hatch (with O-ring) into position

on the rim of the Battery Compartment, then press it evenly

and completely down into place with your same thumb.

• Maintain the Battery Hatch securely in place and, using your

other hand, slide the Retaining Ring down off your thumb

and into position around the Battery Compartment.

• The tabs on the Retaining Ring fit down into the two slots

located at the 2 and 8 o'clock positions.

• Using your fingers, turn the Ring counter clockwise 5

degrees until the tabs engage (Fig. 106), then tighten it 5

more degrees by turning it counter clockwise using the

Battery Hatch Tool (Fig. 107).

• While tightening the Retaining Ring, exert continuous

inward pressure on it until it is secured in the proper

position. A small symbol located on the Ring should be

aligned with the Locked symbol located on the Housing

(Fig. 107a)

Inspection

• Activate the unit and watch carefully as it performs a full

diagnostic and battery check, and enters Surface Mode.

• Observe the LCD display to ensure it is consistently clear

and sharp in contrast throughout the screen.

Fig. 107 -TIGHTENING the

RETAINING RING

Fig. 106 -ENGAGING the

RETAINING RING TABS