Abstract: A CRT display device on which an input signal which has been processed can form an image signal which results in an image being displayed. The CRT display device has a separate message section which can be a dot matrix display. On this separate message section there is a display where displayed messages indicative of the input signal. The message display section displays messages related to the input signal even when there is no image on the cathode ray tube of the CRT display device so that a user based on these messages can input parameters to provide an image on the CRT. The messages on the display device can be shown in various languages.