Welch Allyn 767 Diagnostic System - User Manual - Manual (Page 7)

3
Operation
Handles Handles will accept any 3.5v Welch Allyn instrument
head.
Rheostat Located on each handle. Turn clockwise to increase light
output, turn counterclockwise to decrease light output.
Handle cradle Instrument lights automatically when handle is lifted
from the cradle engaging the OptiSense TM Optical
Sensor. When handle is returned to the cradle the
OptiSense TM Optical Sensor is disengaged
automatically turning the instrument off.
On-off switch/pilot light Indicates the transformer is on (power mains is applied).
Clock Option on this model. Refer to page 5 for operating
instructions.
Third Handle Module Option on this model. Refer to page 7 for mounting and
operating instructions.
Power cord Can be plugged into any 108-125v, 60 Hz outlet.
POWER
CORD
(3m)
HANDLE
CRADLE
HANDLES
THIRD
HANDLE
MODULE
RHEOSTAT
3.5v
INSTRUMENT
HEAD
ON/OFF
SWITCH/
PILOT LIGHT
OPTIONAL
CLOCK
CLOCK
FACEPLATE