
use the power through DB-9 option, see table??. The GLK24064-25 allows all voltage models to use the
power through DB-9 option, see table ?? on page ?? for display module voltage requirements.
Figure 13: Power Through DB-9 Jumper
WARNING Do not apply voltage through pin 9 of the DB-9 connector
AND through the Power/Data Connector at the same time.
2.2 Manual Override
The Manual Override is provided to allow the GLK24064-25 to be reset to factory defaults. This can be
particularly helpful if the display module has been set to an unknown baud rate or I
2
C Slave Address and
you are no longer able to communicate with it. If you wish to return the module to its default settings you
must:
1. Power off the display module.
2. Place a Jumper on the Manual Override pins 1 and 2 as pictured below.
3. Power up the display module.
4. The display module is now set to its default values listed below in table 1.
5. Edit and save settings.
Matrix Orbital GLK24064-25 7
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