4. Press the Handset
Power
button for 1 second, until the backlight turns on, and then release all
three buttons.
The Handset is now in update mode.
5. Now check for software updates using your MFD:
• LightHouse™ 2 — From the Homescreen select:
Set-up > Maintenance > Check Card for
Updates
.
• LightHouse™ 3 — From the Homescreen select:
Settings > Updated software > Check SD card
.
6. Select your Radio and select
Update
.
(The LCD backlight will flash when the update is in progress.)
7. When the update is complete, check your radios software version.
8. Removed the memory card from the card reader.
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