Airwell /yaz218, Service Manual

Page: 63 / 84

CONTROL SYSTEM
11-24
SM YAZ218 1-A.2 GB
11.8 User Interface
11.8.1 User interface description
o
The user interface uses three 7 segments, and 4 keys.
o
Keys, The 4 keys are:
-
Scroll - used to scroll between options (up and down)
-
Select - use to select an option
-
Escape - Will go up one level in the menu
o
The user interface concept is Tree menus.
o
Active selection or status will be indicated by blinking the
display.
For YAZ218,
The navigation through the menu can be performed by either the key pad or
RC8 remote controller (through infra red receiver).
Command
Type
Function Keypad Remote
controller
Up or Down
command
Scrolling among
options (up and
down).
Up or
Down key
button.
Up:
Set Point ‘+’
Down:
Set Point
‘-‘
Selection
command
Go down one level
in the menu or
select an option.
Select
button
FAN mode
Escaping
command
Go up one level in
the menu
Escape
button
Oper/STBY
RC8 sketch:
FAN SPT+ SPT- Oper
LCD
Button Box
Note: the buttons above are selected according to RC8 design (refer to RC8 specifications) for the technician
convenient use.
11.8.2 Keys functionality
o
Scrolling will be done whenever the button is pressed.
o
When scrolling alpha values, if the scroll button is held in, the selection will change at the rate
of one step per second.
o
When changing/scrolling numeric value, if the scroll button is held in, the selection will change
at the rate of one step per second. After 2 seconds, if the button continues to be held in, the
rate of change will increase to 10 steps per second.
o
The display will not roll over during selection (for example stop/Ode/Dia/Stp/Par/stop)
Up
Down
Esc
Select