UTC UDI-28 User Manual
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UTC UDI-28 User Manual

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UDI-28™ User Manual
Restricted Distribution
Copy number
Customer lead number
Protected by patents no. 6125080; 6130859; 6272072
in the US and in other countries
Version: 1.42 August 2020
Dear valued customer, if you find any typo or need any clarification, please send us an email with the
relevant information (info@utc.co.il).
1

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Summary of Contents for UTC UDI-28

  • Page 1 UDI-28™ User Manual Restricted Distribution Copy number Customer lead number Protected by patents no. 6125080; 6130859; 6272072 in the US and in other countries Version: 1.42 August 2020 Dear valued customer, if you find any typo or need any clarification, please send us an email with the...
  • Page 2 ) abilities are not limitless. There are certain limitations and restrictions of which you must be aware and certain precautions you must take when using the UDI-28 as a Bottom Timer instrument. Please read carefully all warnings in this chapter and this disclaimer.
  • Page 3 Lithium Polymer and Lithium Ion batteries have specific charging requirements and ONLY the chargers rated for these cells may be used. The best charger for the UDI-28™ is provided in the pack that you purchased. Other chargers may alter the settings and can damage cells or cause a fire due to over-voltage charging of cells.
  • Page 4 Text messaging communications will only function properly if those lists are identical. To ensure that the lists are identical, each UDI-28™ has a Table Tag value, which is a unique code for each specific UDI-28™ lists.
  • Page 5 OPERATION, RANGE AND CONFLICT UTC provides communication means by using different configurations. Please note that a SYSTEM that generates two Networks (i.e., NET 1 and 2) includes at a minimum, two U28 wrist units or one wrist U28 unit and a boat units. Each U28 is capable to receive signals from up to 1000m (depending on sea and environmental conditions).

  • Page 6: Table Of Contents

    ..............................Active Antenna ............................ 32 Charging the UDI-28™ boat unit ......................32 Connecting the UDI-28™ boat unit to the PC ..................32 Turning UDI-28™ boat unit On and Off ....................33 Scrolling the menus ......................... 33 UDI-28™ Boat unit main menu ......................33 Sending and receiving text messages ....................
  • Page 7 Receiving SOS Signals ......................... 35 Remote SOS ..........................36 Using the Compass ..........................36 Transmit homing ..........................38 Setting up the UDI-28 Boat Unit ......................38 Buddy Select ..........................38 Transmission power ........................39 UDI-28 Boat unit setup ........................39 Clock ............................

  • Page 8: Introduction

    Depending on environmental conditions, it is possible to receive signals from up to 1000 meters. Upon receiving a message signal, the UDI-28™ unit sounds an audible alert and lights up to show the message (if these features were enabled).

  • Page 9: Safety

    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.

  • Page 10: Udi-28™ Unit

    UDI-28™ unit Unit Description The UDI-28™ unit consists of the following: 1. Antenna 4. OLED display, plastic protector 2. Up scroll button 5. Attachment buckle 3. Down scroll button 6. Enter button 7. Emergency (SOS) button The UDI-28™ contains the following functions: ...

  • Page 11: Using The Quick Connector

    5. The charge is complete when the green light on the quick connector turns off. 6. If mistakenly UDI-28 is in On mode and was connected, disconnect it, power it off and then charge it. Beacuse voltage difference between charge and operation, unit may beacome instable.

  • Page 12: Connecting The Udi-28™ To The Pc

    4. DO NOT turn off the UDI-28 when connected to PC. NOTE: Ensure that you have properly installed the UDI28-MANAGER software to be able to use this function. To activate the connection to the PC, you must enable this option on the UDI-28. See page...

  • Page 13: Using The Udi-28

    NOTE: The UTC Proprietary screen contains a disclaimer. Clicking on the Enter button signifies that you accept responsibility for use of the UDI-28, and that you accept the terms of the disclaimer. If you do not agree, please do not dive with the UDI-28™.

  • Page 14: Udi-28™ Main Menu

    UDI-28™ main menu The main UDI-28™ menu allows you to access UDI-28™ functions. The main menu flowchart is shown below. Main 1. Messages 2. Navigation 3. Compass 4. Dive Info 5. Setup Use of the various functions is described in detail as follows: ...

  • Page 15: Setting Up The Udi-28

    Setting up the UDI-28™ Use the Setup menu to set up the UDI-28™ for the following features:  PC Connection – Connect to a PC for use with the UDI28-MANAGER software.  Network Setup – Set network for communication with buddy.

  • Page 16: Bottom Timer

    PC Connection Use the PC Connection option to connect UDI-28™ to your PC and use it with the UDI28-MANAGER application. For information see the UDI28-MANAGER Software user manual.

  • Page 17: Network Setup

    Use this option to select User and Buddy numbers; and a network. NOTE: You and your buddy must be properly defined on your UDI-28™ and your buddy’s UDI-28™ respectively, and you must both be on the same network to be able to communicate using the UDI-28.

  • Page 18: Transmission Power

    Transmission power UDI-28™ has the ability to adjust the transmission power. This feature enables the diver to select from 3 transmission power levels:  Low power  Med power  High power Working with low power level increases the battery lifetime while high power level shorten battery lifetime.

  • Page 19: Led Control

    2 Med-High 3 Med LED Control Use this option to turn on or off the Green LED control which allows the LED on the UDI-28™ to blink when there is an audible alarm or when a signal is received. LED CONTROL Select Enable or Disable and press 1.

  • Page 20: Revert To Factory Settings

    Revert to factory settings: In case you would like to revert to the original UDI-28™ factory settings, press the Up, Down and Enter buttons simultaneously to start the UDI-28™ on. Wait for the UDI-28 to turn on and for the message “set default”...

  • Page 21: Using The Bottom Timer

     Press the Enter button twice to go to the Main menu. The dive info display is different when the UDI-28™ is on the surface, and when the UDI-28™ is in an underwater environment. Surface display On the surface, the dive Info display shows the following:...

  • Page 22: Timer And Reviewing Additional Data

    Timer and reviewing additional data  Press the Up button to jump to the main menu.  Press the Down button 13:25 once to see the compass. COMPASS CAL 25.5m  Press the Down button again to review a Timer. ...

  • Page 23: Abnormal Conditions

    WARNING: The UDI-28™ may turn itself off during the dive. Low battery When the battery contains less than 3 hours charge, UDI-28™ will display a warning message and sound an alert tone. Click Enter to return to the dive info display.

  • Page 24: Sending And Receiving Text Messages

    To exit the Messages menu and return to the Main menu, select Main, and press Enter. Sending a message The UDI-28™ unit can send one of up to 28 user-preset text messages to other UDI-28™ users and to the boat unit.

  • Page 25: Viewing Last Message

    Receiving a message When you receive a text message from your buddy or another UDI-28™ user, your UDI-28™ sounds an audible signal and blinks light (if enabled), the message is automatically displayed. The received message identifies the message sender.

  • Page 26: Navigation To A Target

    UDI-28. Navigation using the UDI-28™ can be done only while the diver or beacon is moving in relation to each other. In other words, the UDI-28™ diver, the beacon, or both must be moving, since the navigation beacon relies on the Doppler Effect.

  • Page 27: Using The Navigation Display

    In the event of an emergency, you can activate your SOS signal by pressing the red H (Help) button on your UDI-28™ for several seconds. An SOS signal is sent to all UDI-28™ and boat unit users in the area.

  • Page 28: 30. Remote Homing

    Other UDI-28™ users can then home in and navigate to your location using the Navigation feature of their units. If you receive an SOS signal, your UDI-28™ unit sounds an audible signal, and the SOS message is automatically displayed. The SOS message identifies the user sending the SOS, the network, and the depth of the sender.

  • Page 29: Mask Homing

    After every dive: wash and wipe down the UDI-28™ and make sure that the contacts are dry prior to connecting the UDI-28™ to the charger or the PC. Do not use a water jet or pressure from hose to clean the UDI-28, to prevent damage to the UDI-28™ mechanism.

  • Page 30: Revert To Factory Setting

    You can then pop the protective cover out, and replace it with a new cover. Revert to factory setting In case you need to revert to the original UDI-28 factory settings, press the Up, Down and Enter buttons simultaneously (when the UDI-28™ is off). Wait for the UDI-28 to turn on.

  • Page 31: Base [Boat] Unit

    Base [boat] unit The boat unit is an optional component of the UDI-28™ system. It is used for text message communication with the underwater divers, and its homing capabilities allow divers to navigate their way back to the boat. In addition, pending to sea conditions, the Boat unit can send transmissions by using its Active Antenna up to 2000 meters.

  • Page 32: Active Antenna

    Please ensure that the active antenna is used properly. Do not use the antenna for any other application except with the UDI-28™ Boat unit. This antenna also serves for other systems. It is critical to hook the antenna with another metal cable (not the communication cable) to support its weight.

  • Page 33: Turning Udi-28™ Boat Unit On And Off

    Turning UDI-28™ boat unit On and Off To turn the UDI-28™ boat unit on: 1. Press and hold the Enter button for about 5 seconds. The UTC Proprietary screen opens, the buzzer is heard and the LED is blinking. 2. Press the Enter button again. The current settings screen opens.

  • Page 34: Sending A Message

    To exit the Messages menu and return to the Main menu, select Main, and press Enter. Sending a message The UDI-28™ unit can send any message from the preset text messages to other UDI-28™ users. To send a text message: 1.

  • Page 35: Viewing Last Message

    Receiving a message When you receive a text message from another UDI-28™ user, your UDI-28™ unit sounds an audible signal, and the message is automatically displayed. The received message identifies the message sender and the receiving time.

  • Page 36: 14. Remote Sos

    If you receive an SOS signal, your UDI-28™ boat unit sounds an audible signal, and the SOS message is automatically displayed. The SOS message identifies the user sending the SOS, the network, SOS DETECTED and the depth of the sender.

  • Page 37: Transmit Homing

    Transmit homing The boat unit has the ability to transmit homing signal to a UDI-28™ user. By selecting this option, the UDI-14™ wrist unit user receives a homing signal that allows the user to track and locate the UDI boat unit.

  • Page 38: Transmission Power

    This feature also serves for next update to identify out of range capabilities. Select a power level and press Enter UDI-28 Boat unit setup Use the UDI-28™ Boat unit Setup menu options to set the time, ring volume, and backlight duration on the UDI-28™ boat unit. Clock Use this option to set the time and date.

  • Page 39: Udi-28 Boat Unit Setup

    Meters, centigrade degrees are shown. About UDI-28 Use this option to view the UDI-28™ boat unit serial number and software version installed. Use this information when contacting UTC about your UDI-28 Boat unit. In addition the About UDI screen presents the table tag value which is a unique code for each specific UDI-14™...

  • Page 40: About Udi-28

    (using caps) and are dry prior to connecting the UDI-28™ to the charger or the PC. Do not use a water jet or pressure from hose to clean the UDI-28™ boat unit, to prevent damage to the UDI-28™ boat unit mechanism.

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