Chapter 8: 2X20 Customer Display Interface; Introduction; General Specifications; Serial Communication Interface - NCR RealPOS 70XRT User Manual

8
Chapter 8:

Introduction

General Specifications

Serial Communication Interface

2x20 Customer Display Interface
The 2x20 Customer Display consists of a Vacuum Florescent Display (VFD) with two rows of
twenty 5x8 dot matrix characters, an RS-232 serial interface, driver circuitry, DC to DC/AC
converter, and a character generator.
Item
Number of characters
Character Configuration
Character Height
Character Width
Character Pitch
Line Pitch
Peak Wavelength of
Illumination
Luminance
The display receives commands and data from the host using an RS-232 serial interface,
framed at 9600 baud, 8 data bits, no parity, and one stop bit.
Value
2 Rows x 20 Characters
5x8
8.86 mm
3.90 mm
5.15 mm
9.64 mm
505 mm
350 Cd/m2 (102 fL) (Minimum),
700 Cd/m2 (204 fL) (Typical)