Technical Question And Support; The Multi-Function Keys; User Interface - GQ Electronics EMF-360V2 Quick Start Manual

Technical question and support

Please use forum :
The multi-function keys (S1, S2, S3, and S4)
The key's function will be reassigned dynamically based on the Display

User Interface

after 3 seconds. (Rectangle box)
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The Popup Window box will show the
current status/value on a current feature
focused. The current status/value only can
be changed when it is showing in Popup
Window. The current status/value will be
confirmed when the Popup Window timeout
Press S1 to select display mode
Press S4 to enter Main Menu
Mode.

S4: Power ON/OFF,
Confirm, Select, Enter.

S3: up, or content depended

S2: down, or content
depended

S1: mode, cancel, exit
3