24 TGZ 040A through TGZ 190A OMM TGZ-1
Keypad/Display
A 4-line by 20-character/line liquid crystal display and 6-key keypad is mounted on the unit
controller. Its layout is shown below.
Figure 6, Keypad and Display in MENU Mode
Air Conditioning
VIEW
SET
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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
RIGHT Cancel
UP Increment
DOWN Decrement
These four edit functions are indicated by one-character abbreviation on the right side of
the display (this mode is entered by pressing the ENTER key).
Menu Key
"Enter" Key
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