Everec 340 User Manual | 2025-2026 |

⚠️ Warning: A failed firmware update can brick your device. Only attempt if your current version is older than 2024 (check in System > Version).

Everec occasionally releases firmware updates to improve stability. Do not update unless you are experiencing a specific issue (e.g., GPS not locking, freezing at startup).

Read inputs:

cat /sys/class/gpio/gpio4/value   # DI1 = gpio4

Set output DO1 high:

echo 1 > /sys/class/gpio/gpio10/value

When you open the box, verify the following components are present: everec 340 user manual

| Setting | Recommended value | Explanation | |---------|------------------|-------------| | Resolution | 1080FHD (1920x1080) | Provides best balance of detail and storage | | Loop recording | 3 minutes | Easier to find events than 1-min files; less lost data than 5-min | | WDR (Wide Dynamic Range) | On | Essential for tunnels and night driving | | Exposure | 0.0 (default) | Increase to +1/3 if image too dark | | Motion detection | Off (parking mode) | Can cause false triggers on busy roads | | Audio recording | On | Captures conversations and road noise |

If you need the original manufacturer’s manual (for warranty or exact illustrations), try these sources: ⚠️ Warning: A failed firmware update can brick

Important warning: Be cautious of fake “Everec support” sites asking for payment. The manual is free.