Set FO2/PO2 Gas 2 and 3 are similar. Once any Gas is set for Nitrox, any other Gas set for Air will
automatically be set to 21%.
Set Units
1. Press A and S (simultaneously for 2 sec) to navigate to the SET U menu.
2. Press A until UNIT is displayed.
3. Press S to switch between the two systems.
4. Press A to save your setting and advance to the next menu.
Set Time and Date
1. Press A and S (simultaneously for 2 sec) to navigate to the Se SET T menu.
2. Press A until TIME is displayed.
3. Press S to switch between the two time formats: 12 HR or 24 HR.
4. Press A to save your setting and advance to the next menu. The Hour digits will be flashing; with
Am (or Pm) if 12 HR, blank if 24 HR.
5. Press S to adjust the hour.
6. Press A to switch to minutes.
7. Press S to adjust the minutes.
8. Press A to save your setting and advance to the next menu. The Year will be flashing.
9. Press S to adjust the year.
10. Press A to switch to month.
11. Press S to adjust the month.
12. Press A to switch to day.
13. Press S to adjust the day.
14. Press A to save your setting and return to the SET T menu.
Connecting Transmitter
1. Press A and S (simultaneously for 2 sec) to navigate to the SET U menu.
2. Press A until the graphic TMT1 appears. ON (or OFF) will be flashing.
3. Press S to switch between ON or OFF.
4. Press A to confirm ON or OFF. If ON is selected, the first digit of the code will be flashing.
5. Press S to increase the value.
6. Press A to save and advance to the second digit. Repeat to enter the rest of the transmitter’s
serial number.
7. Pressing A while the last digit is flashing will save the Link Code and advance to TMT 2. Or
pressing A and S (simultaneously for 2 sec) will save the setting and revert to SET U.
To view the full DG03 Operating Manual on the DGX website, please visit the following link:
https://www.divegearexpress.com/media/product_documents/d/g/dg03_om.pdf