User Manual

Page 5-4 Technical Reference
- COM 1: Sealed 9-pin D; filtered for EMI; full modem control signals;
5V @ 200 mA available on DTR pin; controlled by DTR
- COM 2: Sealed 9-pin D; filtered for EMI, full modem control
- Infrared Port: Operates both fast IrDA mode (4 M bits/sec) and slow
IrDA mode (115 K bits/sec)
Internal Expansion Ports
- COM 3: Internal expansion bus connections, full modem control
signals, signal levels 0 to 3.3V straight from UART, no buffering,
ring signal causes unit to resume from a suspend state
- Expansion Port: Contains low 3 address bus signals, low 8 bit data
bus, bus control signals, COM 3 signals, and GPIO
Display
- High visibility LCD with paperwhite-like background, black on
white, high contrast, 10 micron pixel spacing
- 1/4 VGA, 320 x 240 pixels
- LCD has an LED backlight with adjustable brightness capability for
visibility in low lighting or changing light conditions
- LCD has extended temperature range to work better in cold or hot
environments
- Automatic contrast adjustment with temperature compensation
- Display heater for operation in cold environments; can be set to turn
on automatically when temperature is less than -3° C
- Active viewing area: 3.3" wide x 2.5" high (4.1" diagonal), 18% larger
than comparable units
- Two onboard mini stylus and a full size stylus
- Touchscreen Disable button allows you to clean the screen or
operate unit in heavy rain
- Touchscreen transmissivity of 84%, non-reflective
System Tray Indicators
Indicators are shown in the lower right corner of the Allegro CE
screen in the status tray include:
- Data storage activity
- PC card activity
- Caps lock on
- External power input