This manual introduces the use of GSM 509.
The guide begins with safety precautions, warning users not to operate the phone while driving, near aircraft, at petrol stations, or in blasting areas, and advises proper handling of batteries and accessories. It also lists the Bosch Easy Sets accessories such as car kits, chargers, batteries, and headsets.
Subsequent sections cover basic operation: preparing the phone, inserting the battery and SIM card, making the first call, navigating the four main function menus, using the phone book, and managing call lists. Detailed instructions for keypad functions, menu navigation, and service features are also included.
| Battery capacity options | 600 mAh NiMH (Light) / 1800 mAh NiMH (High Power) |
|---|---|
| Charging time | 1.5 to 6.5 hours to full charge |
| Operating temperature range | -10 °C to +55 °C |
| Supported chargers | MA 1020, MA 1021, MA 1022, MA 1023, MA 1024 |
Slide the SIM card holder to the left, lift it, place the SIM in the depression, then slide the holder back to the right.
Charging the battery takes between 1.5 and 6.5 hours, depending on the battery size.