GE IC300TIU101, IC300TIU201 manual CH.2 TIU050 06 Apr GFK-1819, TIU050 Contrast Adjustment

CH.2: TIU050	06 Apr 2000	PAGE 15
		GFK-1819

CHAPTER 2: TIU050

2.1 Scope

The TIU050 is a 2 line text only display terminal. The hardware description is detailed in this chapter.

Alphanumeric		+(￿￿￿7,8￿￿￿			PAUSE Key
Keypad
Programmable					UP Key
Function Keys
					DOWN Key
1Q Z _	2 AB C	3 DE F	4 GH I	5 JKL	+
F 1	F 2	F 3	F 4	F 5	ENTER Key
6 M N O	7 PR S	8 TU V	9 W X Y	0
F 6	F 7	F 8	F 9	F 1 0

Figure 2.1 – Front View of TIU050

2.2TIU050 Button Selection Actions

a)PAUSE key selects data for editing OR exits from data editing.

b)PAUSE & DOWN keys pressed together, enters sub menu pages.

c)PAUSE & UP keys pressed together, exits sub menus to the parent menu pages.

d)UP key selects the previous menu page, sub menu page, alarms, and increments data

e)DOWN key selects the next menu page, sub menu page, alarms and also decrements data.

f)ENTER key sends data to the automation equipment, accepts alarms, and displays accepted alarms.

g)ALPHANUMERIC KEYPAD and FUNCTION KEYS can be used to enter data or can be used to preform some pre-programmed action.

2.3TIU050 Contrast Adjustment

On menu page 1 (after the start-up screen), hold the ENTER key and press the UP or DOWN key to adjust the contrast. The contrast setting is stored and not lost after removing power.

CONTRAST BAND - allows the user to set the lower and upper limits of contrast. Adjust the lower limit using the UP or DOWN key and press Enter when done. Do the same for the upper limit.

WARNING: - Changes to the lower or upper limits may allow the user to set the contrast to a setting where the display may appear blank. It is recommended that the factory setting are used (Min 8A, Max FE).