Dimensions:
Size 150mm x 70mm x 18mm
Weight 180g (including batteries)

Screen:
65mm x 44.6mm (240x160 pixel) graphics screen
High contrast, retardation film Liquid Crystal Display (LCD)

Keyboard:
48 key QWERTY keyboard
20 key calculator keypad
8 touch-sensitive buttons for applications

Internal memory:
Read Only Memory (ROM): 1 MB containing multitasking, windowing operating system
Random Access Memory (RAM): 512K or 1MB

Processor:
16 bit NEC V30H (80C86 compatible), 7.68 MHz

Sound:
Piezo buzzer - gives a range of audible sounds

Power:
2xAAA size Alkaline batteries
Lithium (CR 1620) backup battery

Operating temperature:
0 - 50 degrees C

Communications:
• RS232 serial link (for Solid State Disk [SSD] Drive, modems, serial printers & parallel printers)
• IrDA SIR optical link (for infrared communications)

The Applications

The Psion Siena has the following applications included as standard:

• Agenda - for appointments & things to do, as well as birthdays and anniversaries
• Data - for names & addresses (or any other database use)
• Time - for alarms
• Calc - for simple & scientific calculations
• World - shows a map, world times & dialling codes
• Word - for writing letters & other documents
• Sheet - for tables, spreadsheets & graphs
• Program - editor for writing your own programs

If you buy PsiWin you will be able to add more applications from navigation software to finance, and games as well.

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