ESC D - Read directory of RAM disk to host
=> | STX ESC D CS1 CS2 ADDR |
<= | STX ESC D <directory data> CS1 CS2 ETX (or |
| NAK) |
=> | ACK or NAK |
ESC D/ROM - Read directory of Flash ROM to host
=> | STX ESC D/ROM CS1 CS2 ADDR |
<= | STX ESC D/ROM <directory data> CS1 CS2 ETX |
| (or NAK) |
=> | ACK or NAK |
ESC E - Erase a file from the MR350MKII directory
=> | STX ESC E <filename> CS1 CS2 ADDR | |
<= | STX ESC E <RetCode> CS1 CS2 ETX | |
| where <RetCode>: | |
| 00 | if successfully erased |
| 01 | file does not exist |
=> | ACK or NAK |
|
ESC F - Disable UPS battery to supply power
This command is used to stop UPS battery to continue to supply power to terminal. By using this command you can prevent exhausting UPS battery when the power source is switched off for some time.
=> | STX ESC F CS1 CS2 ADDR |
<= | ACK or NAK |
ESC G - Get MR350MKII's RAM size
=> STX ESC G CS1 CS2 ADDR
<= STX ESC G <xxx> <yyy> <zzz> CS1 CS2 ETX where <xxx>= number of Kbytes of total memory
<yyy>= number of Kbytes of Exec memory <zzz>= number of Kbytes of Free memory
=> ACK or NAK
