GE M
EDICAL
S
YSTEMS
D
IRECTION
2392751-100, R
EVISION
3
V
IVID
™ 4 S
ERVICE
M
ANUAL
8-30
Section 8-3 - Control Console Components Replacement
8-3-6
Rotary Knob (External Keyboard) Replacement Procedure
NOTE:
This section describes the replacement procedure for a parameter adjustment Rotary Knob on the
external keyboard. Rotary knobs are supplied as part of the Keycap Kit - for details of the Part Number,
refer to
8-3-6-1
Tools
Use a small flat
screw driver, as indicated in the rotary knob replacement procedure.
8-3-6-2
Preparation
Shut down the Vivid™ 4 ultrasound unit, as described in
.
8-3-6-3
Rotary Knob Removal Procedure
1) Carefully place a small flat screw driver between the rotary knob you wish to remove and the
surface of the keyboard - see
2) Use the screw driver to gently lever off the defective rotary knob, until it is completely loosened from
its base.
3.) Lift off and remove the defective knob - see
4.) Carefully take out the metal tension plate from the centre of the knob (refer to
page 8-31), before discarding the defective knob.
Do
not
discard the tension plate
.
Figure 8-28 Rotary Knob Replacement
