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5. Battery handles and start-up
5.1 Purpose
Keeler battery handles are fitted to the Keeler Jazz Ultra
Ophthalmoscope and Jazz Ultra Otoscope.
5.2 Start up and insertion and removal
of batteries
Unscrew the Jazz Ultra instrument head from the handle in
an anti-clockwise direction. Insert one commercial type ‘AA’
alkaline battery of 1.5V (IEC standard reference LR6) into the
case of the handle with the plus pole towards the upper
section of the handle.
Warning:
• Should the unit not be used for an extended period of time
or whilst travelling, remove batteries from the handles.
• Insert new batteries when light intensity of the unit is
reduced, thus affecting examination.
• For maximum light yield it is recommended to always insert
new high-quality batteries on replacement.
• Never immerse handles in fluid. Ensure that no fluid or
condensation penetrates into the handle.
Disposal
Please note that batteries are subject to separate disposal.
For details ask your local authority and/or your environmental
officer.
5.3 Turning on and off
The handle is equipped with an
On/Off switch. When in the up position,
the unit is switched on, when in the
down position, the unit is off.
ON
OFF
ON
OFF
Unscrew
anti-clockwise
Screw on
clockwise
5.4 Changing the colour coded rings
Unscrew the Jazz Ultra instrument head from
the handle in an anti-clockwise direction.
Remove the existing ring and replace with a
new ring in the colour of your choice. Screw
the instrument heads back on in a clockwise
direction.
