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My transmitter makes an audible noise while diving
The transmitter makes an audible noise when transmitting data over the Subwave
™
sonar network during normal
operation. Sonar signals are noticeable while diving, and because sound travels better through water than radio
waves, the Subwave sonar network has longer range than traditional radio-based products. The Subwave sonar
network uses a lower power signal (1 W to 10 W) than traditional marine sonar systems (around 1000 W).
Testing has not indicated any disturbance to sea life.
You can decrease the power setting to reduce the audible noise from the transmitter (Adjusting the Transmitter
Power Setting, page 144).
Acquiring Satellite Signals
The device may need a clear view of the sky to acquire satellite signals. The time and date are set automatically
based on the GPS position.
TIP: For more information about GPS, go to www.garmin.com/aboutGPS.
1 Go outdoors to an open area.
The watch should be oriented with 6 o'clock pointing toward the sky.
2 Wait while the device locates satellites.
It may take 30 to 60 seconds to locate satellite signals.
Improving GPS Satellite Reception
• Frequently sync the watch to your Garmin account:
◦ Connect your watch to a computer using the USB cable and the Garmin Express application.
◦ Sync your watch to the Garmin Dive app using your Bluetooth enabled phone.
◦ Connect your watch to your Garmin account using a Wi‑Fi wireless network.
While connected to your Garmin account, the watch downloads several days of satellite data, allowing it to
quickly locate satellite signals.
• Take your watch outside to an open area away from tall buildings and trees.
• Remain stationary for a few minutes.
The temperature reading is not accurate
Your body temperature affects the temperature reading for the internal temperature sensor. To get the most
accurate temperature reading, you should remove the watch from your wrist and wait 20 to 30 minutes.
You can also use an optional tempe external temperature sensor to view accurate ambient temperature
readings while wearing the watch.
Troubleshooting 145
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