| Display ESC Character |
| (Not a supported command) |
Format: | 1B 1B |
Description: | This command is a request for the ESC character to be displayed to the |
| current cursor position. |
| Select Character Set n |
Format: | 1B 20 - 1B 21 |
Description: | This set of command chooses one of the two supported internal |
| character sets. Character set 1 is defined as Page 1(International), |
| character set 2 is defined as Page 2(Japanese). Character set selection is |
| dynamic. Host software can switch between character sets at any time. |
| Switching between sets does not erase or change the display. This |
| means characters from multiple character sets may be on a display. The |
| default character set is Page 1(International). |
| Read Display Data String |
Format: | 1B 38 |
Returns: | 0x50, |
| Where 0x50 is a 1 byte string length indicator which indicates the length |
| of the string that follows the string length indicator. For example, 50H |
| characters are sent after the string length indicator. Note: The quotation |
| marks “” are not part of the string and are not returned. |
Description: | This command is a request for the Retail VFD to return an ASCII string |
| which are being displayed on the Retail VFD. |
