Answer :
The FMY-139 arming and delay time is set by adjusting the electronic components within the device.
How to set delay time and arming?
1. Power on the FMY-139 device.
2. Enter the device's menu system by pressing the appropriate button (refer to the device manual for specific button information).
3. Navigate to the "Arming" setting in the menu. Adjust the arming setting according to your needs by selecting the desired value (e.g., immediate, 5 seconds, 10 seconds, etc.).
4. Save the selected arming value by pressing the appropriate button (usually "OK" or "Enter").
5. Next, navigate to the "Delay Time" setting in the menu. Adjust the delay time by selecting the desired value (e.g., 1 second, 5 seconds, 10 seconds, etc.).
6. Save the selected delay time value by pressing the appropriate button (usually "OK" or "Enter").
7. Exit the menu system to return to the main screen.
Now, the arming and delay time settings on the FMY-139 have been set according to your preferences.
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