Create your custom image in the format shown below.
| Format | Specifications | 
|---|---|
| Image file format | BMP | 
| Size | 128 (x) × 64 (y) pixels | 
| Color depth | 1-bit, 4-bit, 8-bit, 24-bit 
 | 
| Filename and extension | startup_*.bmp Substitute a number (1–2) for the asterisk. The unit does not recognize filenames in any other format. If the filename is not recognized, the default opening screen is shown. |