User Guide

Raspberry Pi LCD User Manual
3
Rev 2.3, April 29
th
2015
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2. Toggle between LCD and HDMI display
2.1. LCD display switch to HDMI display
1) The default boot mode of the system image in CD selects LCD display. And there will be no
output to the external HDMI displayer if you apply one under this mode. In case that you want to
use HDMI display, please execute the following commands:
sudo su
HDMI-SYS-SHOW
2) The system will load the driver (wait several minutes). And the Raspberry Pi will reboot
automatically, when the driver loaded. After the module rebooted, waiting more than 30
seconds, there will be information display on the HDMI screen. And then, you will enter into
Startx interface.
2.2. HDMI display switch to LCD display
If you need to use LCD display again, please operate the following commands to switch to this mode:
sudo su
When using 3.2inch RPi LCD, please input:
LCD32-SYS-SHOW
When using 3.5inch RPi LCD, please input:
LCD35-SYS-SHOW
When using 4nch RPi LCD, please input:
LCD4-SYS-SHOW
When using 5inch HDMI LCD, please input:
LCD5-SYS-SHOW
When finished the commands above, the system will load the driver (wait several minutes). And the
Raspberry Pi will reboot automatically, when the driver download finished. After the module
rebooted, waiting more than 30 seconds, there will be information display on the HDMI screen. And
then, you will enter into system interface.
Descriptions: Under the HDMI display mode, you should use an external keyboard or SSH method
for command inputting, since the virtual keyboard is not available. Or you can set a serial port as a
debugging interface for command inputting.