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3.2 Performance Specifications
3.2.5 GT1555-V, GT1555-Q, GT1550-Q
3.2.5 GT1555-V, GT1555-Q, GT1550-Q
(Continued to next page)
Item
Specifications
GT1555-VTBD GT1555-QTBD GT1555-QSBD GT1550-QLBD
Display 
section
*1
Type
TFT color liquid crystal 
(LCD of high intensity and wide angle view)
STN color liquid crystal
STN monochrome 
liquid crystal
Screen size 5.7"
Resolution 640   480dots 320   240dots
Display size 115(4.53)(W)   86(3.39)(H)[mm](inch)
Display character
16-dot standard font:
40 characters    30 lines 
(2byte characters)
12-dot standard font:
53 characters    40 lines 
(2byte characters)
16-dot standard font: 20 characters   15 lines (2byte characters)
12-dot standard font: 26 characters   20 lines (2byte characters)
Display color
65536color
*2
4096color monochrome (16-level)
Display angle
Left/Right: 
80 degrees
Top:
80 degrees
Bottom: 
70 degrees
Left/Right: 
70 degrees
Top:
70 degrees
Bottom: 
50 degrees
Left/Right: 
50 degrees
Top:  
50 degrees
Bottom: 
70 degrees
*7
Left/Right: 
45 degrees
Top: 
20 degrees
Bottom: 
40 degrees
Intensity of LCD only
350[cd/m
2
] 400[cd/m
2
] 380[cd/m
2
] 220[cd/m
2
]
Intensity adjustment 8-level adjustment
Contrast adjustment None 16-level adjustment
Life Approx. 50,000 h (Operating ambient temperature: 25°C)
Backlight
Cold cathode fluorescent tube (nonreplaceable) backlight shutoff detection function is included.
Backlight off/screen saving time can be set.
Life
*2
Approx. 75,000 h or longer
(Time when display luminance reaches 50% at the operating ambient 
temperature of 25°C)
Approx. 58,000 h or 
longer
(Time when display 
luminance reaches 
50% at the operating 
ambient temperature of 
25°C)
Touch panel
*6
Type Matrix resistive film
Number of touch keys
1200 objects/screen 
(Matrix structure of 30 lines 
 40 columns)
300 objects/screen (Matrix structure of 15 lines   20 columns)
Key size Minimum 16   16 dots (per key)
Number of objects 
that can be 
simultaneously 
touched
Maximum of 2 objects
Life 1 million times or more (operating force 0.98N max.)
Human 
sensor
Detection length None
Detection range None
Detection delay time None