Rockwell Automation 2706-M1 MESSAGEVIEW 421 HARDWARE MANUAL - Manual (Page 10)

1–3 Terminal Overview
Publication 2706–816
The following illustrations show the major features of the
MessageView 421D terminals (Catalog Nos. 2706-M1D1 and
-M1D).
Front View
➀
➁
➂
➃
Item Description
1 Vacuum Florescent Display (VFD) can display graphics and text:
4 lines of 21 quarter size characters
2 lines of 10 half size characters or 2 lines of 5 graphic symbols
1 line of 7 full size characters.
2 Up and Down cursor keys:
Scroll through and highlight options on the Front Panel Editor menu
Scroll through the Historical Event Stack.
3 ACK key acknowledges messages which require an operator response.
4 Enter key selects an option from the Front Panel Editor menu.
421D Terminal Features