GE Vivid 4 BT03 RFI, Руководство по обслуживанию

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GE M
EDICAL
S
YSTEMS
D
IRECTION
2392751-100, R
EVISION
3 V
IVID
™ 4 S
ERVICE
M
ANUAL
Chapter 8 - Replacement Procedures 8-29
8-3-5 Keycaps (External Keyboard) Replacement Procedure
NOTE: This section describes the replacement procedure for ATGC slider Keycaps on the external keyboard.
ATGC Slider Keycaps are supplied in a Keycap Kit - for details of the Part Number, refer to
Table 9-6
on page 9-8.
8-3-5-1 Tools
Use a small flat screw driver, as indicated in the keycaps replacement procedure.
8-3-5-2 Preparation
Shut down the Vivid™ 4 ultrasound unit, as described in Chapter 3 - Installation .
8-3-5-3 Keycaps Removal Procedure
1) Carefully place a small flat screw driver between the ATGC slider keycap you wish to remove and
the surface of the keyboard.
2) Use the screw driver to gently lever off the defective keycap, until it is completely loosened from its base.
3.) Lift off and remove the defective keycap - see Figure 8-26 below.
8-3-5-4 Keycap Installation Procedure
1) Carefully place a new keycap into position on the securing pin, taking care to align the notches on
the base of the keycap with those on the securing pin.
NOTE: The notches must be aligned correctly, otherwise the keycap will not sit at the correct height on the
external keyboard.
2) Gently push the keycap down until it snaps into position.
Figure 8-27 ATGC Slider Keycap Replacement