Manual

49
4-9-1. Firmware Upgrade
1. Create a new folder named “upgrade” in the USB flash drive root directory.
2. Create sub-folder for each model under “upgrade” folder and copy each firmware.
 N4NSL: main_n4nsl_speco_*.*.*_201****”
 N8NSL: main_n8nsl_speco_*.*.*_201****”
3. Plug in the USB flash drive on the rear panel.
4. Navigate to CONFIG menu of SETUP.
5. Select SOFTWARE UPGRADE.
6. Follow the procedure from Figure 4.9.2 to Figure 4.9.4.
Figure 4.9.2 Figure 4.9.3
Figure 4.9.4
NOTICE
1. If selecting “restart now” when the USB flash drive is plugged, the following message will pop up:
Remove the USB flash drive and select OK.