PCD7.D250
Commands by the serial interface
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(D25-06-E.DOC)
SAIA-Burgess Electronics Ltd.
Page 6-11
6.5 Miscellaneous commands
Lock keyboard/Unlock keyboard
These commands enable or disable the keyboard. When locked, all key
depressions are ignored.
Command
ASCII
Decimal
Hex
Lock keyboard
ESC N
27 78
1B 4E
Unlock keyboard
ESC Q
27 81
1B 51
Restart warm/Restart cold
“Restart warm” resets the ..D250 and restores the customer setup. It is the
same as a power-up reset.
“Restart cold” initializes the setup to the factory defaults listed in section
5.3.2.
Command
ASCII
Decimal
Hex
Restart warm
ESC H
27 72
1B 48
Restart cold
ESC @ G
27 64 71
1B 40 47
Disable and Enable Setup/Test mode
Once the ..D250 has been configured, you may want to prevent
unautorized users changing the setup. This can be done with the escape
sequence below, which disables or enables the Shift + i key combination.
If disabled, Shift + i is also restored by powering the ..D250 off and on,
or by sending a “Restart” command.
Command
ASCII
Decimal
Hex
Disable Setup/Test
ESC @ H
27 64 72
1B 40 48
Enable Setup/Test
ESC @ I
27 64 73
1B 40 49
