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19
6. Instrument handles
Connection of the instrument heads
to the handle
The connection between the instrument
head to the handle is a screw thread. To
connect our instrument head connect as shown
and rotate in clockwise direction. Ensure the
connection between the head and handle
is positive.
Compatibility
The Keeler Specialist, Professional,
Standard and Practitioner Ophthalmoscopes and
Keeler Retinoscopes are compatible with Keeler 2.8v and 3.6v
Keeler handles.
The Keeler LED module is only compatible with Keeler 2.8V
and 3.6V slimline handles.
On / Off brightness control
To switch the instrument on, rotate the brightness control as
indicated to the right.
To switch off the instrument, rotate the brightness control as
indicated to the left.
Keeler C sizes Handles have a power indicator. This will show if
the instrument is on or off.
Off
Silver = off
Red = on
Half On
On
