Gree A Series Service Manual page 54

Fig 4-19 General Page with Deactivated Key Tone
(2)Backlight
Operation Instructions
Refer to Section 2.6.1
(3)System Lock
Operation Instructions
1) At the function setting page, by touching "GENERAL", the control panel will go to the
corresponding setting page. Then, by touching "System clock", the controller will
access to the system clock setting page, as shown in the figure below.
A Series Modular-type Air-cooled (Heat Pump) Chiller
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