This manual describes how to update the software of the JAL-7800 GPS Navigator
This manual provides instructions for updating the software on the JRC NWZ-4740 GPS navigator. It requires a PC with a COM port or USB-to-serial adapter, specific update files, and a Dsub 9-pin cable. The process involves checking the current version, entering maintenance mode, running the update program, and verifying the successful update. The manual also includes detailed menu settings for display, plot, waypoint, alarm, and system configurations.
The update procedure specifies transfer speeds and includes precautions for data loss. After updating, users must perform a master reset if needed and verify the new version. The document contains extensive configuration options for GPS, beacon, SBAS, and data I/O settings, including NMEA sentence types and bit rates.
| Update Time (115200 bps) | About 7 minutes |
|---|---|
| Required OS | Windows95 / 98 / NT / 2000 / XP / VISTA(Home Premium) |
| Required Hard Disk Space | 10MB or more |
A PC with Windows OS, a Dsub 9-pin cable, a USB-to-serial adapter if needed, and the update files (NWZ4740 FLASH 1.exe and xxxxxx.bin).
The message "Upgrading succeeded" will not be displayed; retry the update process.