FAQ-01
From Smart LCD
General
What is SGTools?
SGTools is an UI development software dedicated for TOPWAY Smart LCD. SGTools is an upgraded version over the previous RGTools. It supports all the Smart LCD with resistive touch or capacitive touch.
How many background image can be store in to Smart LCD?
There are 256Mbyte Flash (vary by model) in the Smart LCD The no. of background image can be preload is depends on the display resolutions (vary by model) The Smart LCD is showing the interface by PAGE and pages can share the same background image The maximum no. of PAGE is up to 1000 It should be good enough for most of the UI design.
| Smart LCD resolutions | No. of background picture |
|---|---|
| 800x600 | ~270 |
| 800X480 | ~330 |
| 480X272 | ~1000 |
What kind of image can be use in the SGTools?
Background Image
- Recommend 24bit BMP
- Recommend matched resolution image
- SGTools will resize the un-matched resolution to fit the screen
Icons
- Recommend 24bit BMP
- Limit to 1/4 of the Smart LCD display resolutions
Animations
- Recommend 24bit BMP, Animated GIF supported
- Limit to 1/4 of the Smart LCD display resolutions
USB issue during display project download
Power off Smart LCD
- Ensure the Smart LCD is totally power off
- Disconnect the power supply cable of the Smart LCD
Cable issue
- Use a good quality USB cable
- Ensure USB power supply(500mA/5V USB supply)
- A dual USB-A to micro-USB cable, may help in some case
PC USB terminal
- Try another the USB terminal
- Connect to the PC motherboard directly (back side of the is better than the front)
Smart LCD cannot be recognized by PC…
Smart LCD USB access locked
- In case no USB device found on the PC (Smart LCD connected), it is possible than the Smart LCD USB access locked
- Connect the RS-232 terminal to the PCB
- In TOPWAY Command Tools, use the “Unlock USB drive” command with the correct password to unlock the USB access
Smart LCD USB access locked (forgot password)
- In case no USB device found on the PC (Smart LCD connected), it is possible the Smart LCD USB access locked
- Connect the RS-232 terminal to the PCB
- In TOPWAY Command Tools, use the “Format USB drive” command to format the USB drive and the USB access will be unlock at the same time
Abnormal USB drive found
- In case no USB device found on the PC (Smart LCD connected), it is possible the Smart LCD USB drive was corrupted during previous download
- Use PC format tools to format the drive

