Dataman S4 - Manual (Page 14)

DATAMAN S4 MANUAL
14 Computer Operation
Computer Operation
There are two ways of using S4. The obvious
way is to enter commands by pressing keys
and reading the 80-character LCD. The other
way is to attach an RS232 interface lead and
enter commands from your computer and see
the results on the screen. There are
differences between Stand-alone and Remote
operation, but each key on S4's keypad has an
equivalent two character serial command. S4
always responds to the requesting device:
keypad commands produce responses in the
LCD, computer commands produce screen
responses. S4 will respond to either device
from the command prompt; no switching of
modes is necessary. If you disconnect the
RS232 interface during a command it may be
necessary to switch-off-and-on-again to regain
control at the keypad.
Once a function has been entered from either
the computer interface or the keypad, the other
device is ignored, until S4 returns to the
command prompt >.