# 시험 MC_04 - 안전 장치 시험

## Objective

Test RC loss, data link loss, and low battery failsafes.

## Preflight

- Verify RC Loss action is Return to Land
- Verify Data Link Loss action is Return to Land and the timeout is 10 seconds
- Verify Battery failsafe
  - Action is Return to Land
  - Battery Warn Level is 25%
  - Battery Failsafe Level is 20%
  - Battery Emergency Level is 15%

## Flight Tests

❏ 원격 조종기 연결 유실

    ❏ Take off in Altitude mode

    ❏ Move at least 20 meters away home position

    ❏Turn off RC and check the vehicle returns to home position, wait for the descent and turn on the RC and take over.

❏ Datalink Loss

    ❏ Disconnect telemetry, vehicle should return to home position after 10 seconds, wait for the descent and reconnect the telemetry radio

❏ Battery Failsafe

    ❏ Confirm the warning message is received in QGC

    ❏ Confirm the vehicle returns to land on failsafe level

    ❏ Confirm the vehicle lands on emergency land level