Chapter 3 Optional Features and Accessories 37
When you open the RS-232 Control Panel, the default
conguration is shown:
The options can be edited to suit your application:
Enable RS-232 port: When it is unchecked, it powers
down. When this option is checked, it powers up the RS-
232 hardware. It then displays the assigned COM port
number.
Note: If you do not have a device plugged into the RS-
232 port, the port pins corrode more quickly when left
powered up. Use the setting to power down when it is not
going to be used.
Note: Power consumption during sleep is higher when the
RS-232 hardware is powered up.
Congure RS-232 Signals: Select Always enabled to
have the RS-232 output signals driving and input signals
enabled when the Mesa 3 is running or in sleep mode.
Select Disabled during sleep to have the RS-232 output
and input signals disabled automatically when the
tablet is in sleep mode. If your app and/or RS-232 device
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