GE HEALTHCARE
DIRECTION FQ091013, REVISION 1    VIVID I N AND VIVID Q N SERVICE MANUAL
Chapter 8 - Replacement Procedures  8-15
3.) Lift off and remove the defective knob - see Figure 8-19 below.
8-2-4-5-8 ATGC Rotary Knob Installation Procedure
1) Carefully place a new ATGC Rotary Knob in position on the keyboard, taking care to place the 
plastic alignment pin in the correct location.
2) Gently push the ATGC Rotary Knob down until it snaps into position. 
Figure 8-19   ATGC Rotary Knob Replacement