Safety; Before Every Dive - UTC UDI-28 User Manual

Safety

Read and understand this user guide prior to using the UDI-28. We strongly recommend that prior to
using in in real environment you will gain experience with the device.
Pay close attention to all cautions and warnings listed. Make sure that you fully
understand the use, displays and limitations of the UDI-28™ prior to diving. Improper
use of this device may cause a diver to commit actions that could lead to serious injury
or death.
The UDI-28™ has a battery saving mode. After the UDI-28™ unit is turned on:

If no button is pressed on the UDI-28™ or 10 minutes, the UDI-28™ goes to standby, and the
screen displays the word Standby.

After 60 minutes of no activity, the UDI-28™ turns off.
The UDI-28™ unit contains a water sensor. When the UDI-28™ unit that has been turned on or is in
standby comes in contact with water, the bottom timer becomes active.
A dive is considered if the UDI-28™ is at a depth of 2 meters for at least 10 seconds.

Before every dive

To ensure your safe use of the UDI-28™ before every dive, you must check:
 UDI-28™ battery is charged
 The preset messages list and the users list (names) in the dive group are the same. This
means that the same table tag is same in all devices in the dive group.
 The network used between you and your buddy or group.
 Check communications by sending a message to your buddy and receiving a message back.
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