58 OM AGSD-1
Using the Controller
4x20 Display & Keypad
Layout
The 4-line by 20-character/line, liquid crystal display and 6-key keypad for both of the
circuit controller and the unit controller is shown below.
Figure 9, Display (in MENU mode) and Keypad Layout
Air Conditioning
LARM
VIEW
SET
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<
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Advanced
Note that each ARROW key has a pathway to a line in the display. Pressing an ARROW
key will activate the associated line when in the MENU mode
. There is no display line
associated with the Down Arrow.
Arrow Keys
The four arrow keys (UP, DOWN, LEFT, RIGHT) have three modes of use.
1. Scroll between data screens as indicated by the arrows (default mode).
2. Select a specific data screen in a hierarchical fashion using dynamic labels on the right
side of the display (this mode is entered by pressing the MENU key).
3. Change field values in edit mode according to the following table:
LEFT Default (D)
RIGHT Cancel (C)
UP Increment (+)
DOWN Decrement (-)
These four edit functions are indicated by one-character abbreviations on the right side of
the display (this mode is entered by pressing the ENTER key).
Getting Started, Navigating - Press the MENU key to get started. The navigating
procedures are the same for both the unit controller and the circuit controller
.
MENU Key
The MENU key is used to switch between the MENU mode as shown in
Figure 9 and the
SCROLL mode as shown in
Figure 10. The MENU mode is basically a shortcut to specific
groups of menus used for checking ALARMS, for VIEWING information, or to SET
setpoint values. The SCROLL mode allows the user to move about the matrix (from one
menu to another, one at a time) by using the four ARROW keys.
When in the MENU mode (as shown in
Figure 9), pressing the LEFT ARROW key will
select the ALARM menus, the RIGHT ARROW key will select the VIEW menus and the
Left Arrow Key and
Red Alarm Light
MENU Key
Key-to-Screen Pathway
Arrow Keys (4)
Enter Key and Green
Compressor Run Light
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