Motorola DS3578 LED Definitions
In addition to beeper sequences, the digital scanner uses a two-color LED to indicate its status, and the cradles LED indicates charge and communication status. The table below will define these statuses.
Standard Use
| LED | Indication |
| Off | No power is applied to the digital scanner (battery is discharged or removed); digital scanner is in low power and ready to scan. |
| Green | A bar code was successfully decoded. |
| Red | A data transmission error, digital scanner malfunction, or the DS3578 digital scanner was inserted into an STB3478 cradle. |
Charging Use
| LED | Indication |
| Green Slow Flash | The digital scanner charges at the slow rate (used when a host cable powers the cradle). |
| Green Fast Flash | The digital scanner charges at the fast rate (used when an external power supply powers the cradle). |
| Red flash | Charging problem. The DS3578 digital scanner was inserted into an STB3478 cradle. |
| Red and green flash | Temperature fault. Move the cradle to a location where the temperature is 0° – 40° C; optimal charging temperature is 5° – 35° C. |
Cradle
| LED | Indication |
| Blue | Cradle is powered. |
| Red | Transmission error, or you inserted an DS3478 digital scanner into the STB3578 cradle. |