GE
DRAFT
LOGIQ P9/P7
D
IRECTION
5604324
, R
EVISION
11
DRAFT (J
ANUARY
24, 2019)
S
ERVICE
M
ANUAL
Chapter 4 - Functional Checks
4-21
4-3-5
System Integration Checks
4-3-5-1
OPIO Test
Figure 4-18 OPIO
1) Power ON the system.
2) Check backlight on AN Keyboard, B Buttons, Freeze Key.
3) Select
UTILITY
in touch panel.
4) Turn encorder knobs as shown in
.
5) Verify backlight luminance (intensity) changes when knobs are turned.
Figure 4-19 Utility