1. real-time clock, unit price, distance, and the total price display.

2. Real - time clock, unit price, distance, and the total price display.

3. Thirdly, research on LCD curve drawing algorithm, discontinuous point convergence algorithm, real-time clock algorithm, the background color image processing algorithms were made.

4. These were similar to the IOB, with the addition of a non-volatile real-time clock, a second RS-232 port, and (on the EIO board) an Ethernet interface.

5. Categorized by Sony as a combination of a Memory Card and a miniature personal digital assistant, the device features a monochrome liquid crystal display (LCD), infrared communication capability, a real-time clock, built-in flash memory, and sound capability.