Open circuit recreational mode – surface screens
Main surface screen
![Dive computer – Main surface screen in OC REC mode Dive computer - Main surface screen in OC REC mode](https://divecomputer.eu/wp-content/uploads/2018/04/OCREC_main-surface-op.png)
Screen containing the current time, pressure sensor and information about active gas and saturation of tissues.
Surface configuration screen
![Dive computer – Surface configuration screen in OC REC mode Dive computer - Surface configuration screen in OC REC mode](https://divecomputer.eu/wp-content/uploads/2018/04/OCREC_cfg_surface-op.png)
Screen containing links to the device’s configuration / information submenus.
Unit setup
![Dive computer – Unit setup screen in OC REC mode Dive computer - Unit setup screen in OC REC mode](https://divecomputer.eu/wp-content/uploads/2018/04/OCREC_unit_setup-op.png)
Device and user identification information.
Gas setup
![Dive computer – Gas setup screen in OC REC mode Dive computer - Gas setup screen in OC REC mode](https://divecomputer.eu/wp-content/uploads/2018/04/OCREC_gas_setup-op.png)
Gas table configuration screen and selection of currently used gas.
Dive setup
![Dive computer – Dive setup screen in OC REC mode Dive computer - Dive setup screen in OC REC mode](https://divecomputer.eu/wp-content/uploads/2018/04/OCREC_dive_setup-op.png)
Configuration screen for dive parameters.
Dive planner
![Dive computer – Dive planner screen in OC REC mode Dive computer - Dive planner screen in OC REC mode](https://divecomputer.eu/wp-content/uploads/2018/04/OCREC_dive_planner-op.png)
Screen of the dive planner – a function that calculates the decompression / optimal gas selection. It enables calculating decompression stops and checking the correctness of gas selection.
Logbook
![Dive computer – Logbook screen in OC REC mode Dive computer - Logbook screen in OC REC mode](https://divecomputer.eu/wp-content/uploads/2018/04/OCREC_logbook-op.png)
List of dives logged by the device.
Logbook – dive details
![Dive computer – Logbook details screen in OC REC mode Dive computer - Logbook details screen in OC REC mode](https://divecomputer.eu/wp-content/uploads/2018/04/OCREC_logbook_dive_details-op.png)
Screen with detailed information about the selected dive.
Logbook – dive graphs
![Dive computer – Dive graphs screen in OC REC mode Dive computer - Dive graphs screen in OC REC mode](https://divecomputer.eu/wp-content/uploads/2018/04/OCREC_dive_graphs-op.png)
Graphs showing the dive process (depth, partial pressure of oxygen and temperature) over time.
System setup
![Dive computer – System setup screen in OC REC mode Dive computer - System setup screen in OC REC mode](https://divecomputer.eu/wp-content/uploads/2018/04/OCREC_system_setup-op.png)
Device parameters configuration screen.
Computer mode
![Dive computer – Mode select screen in OC REC mode Dive computer - Mode select screen in OC REC mode](https://divecomputer.eu/wp-content/uploads/2018/04/OCREC_computer_mode-op.png)
Screen for selecting the operating mode of the device.
Compass calibration
![Dive computer – Compass calibration screen in OC REC mode Dive computer - Compass calibration screen in OC REC mode](https://divecomputer.eu/wp-content/uploads/2018/04/OCREC_compass_calibration-op.png)
Calibration of digital compass built into the device.
Firmware upgrade
![Dive computer – Bootloader screen in OC REC mode Dive computer - Bootloader screen in OC REC mode](https://divecomputer.eu/wp-content/uploads/2018/04/OCREC_firmware_update-op.png)
Device bootloader used to update the software.
Surface compass
![Dive computer – Surface compass screen in OC REC mode Dive computer - Surface compass screen in OC REC mode](https://divecomputer.eu/wp-content/uploads/2018/04/OCREC_surface_compass-op.png)
Display of current digital compass indications and locked course.
Total runtime of inserted battery
![Dive computer – Total runtime of inserted battery Dive computer - Total runtime of inserted battery](https://divecomputer.eu/wp-content/uploads/2018/04/OCREC-Battery-Runtime-op.png)
Information of the time the device is working on the last inserted battery.
Open circuit recreational mode – underwater screens
Main underwater screen
![Dive computer – Main underwater screen in OC REC mode Dive computer - Main underwater screen in OC REC mode](https://divecomputer.eu/wp-content/uploads/2018/04/OCREC_main_underwater-op.png)
Screen containing current information about the dive and decompression information (nearest stop or remaining NDL time).
Safety stop
![Dive computer – Safety stop info in OC REC mode Dive computer - Safety stop info in OC REC mode](https://divecomputer.eu/wp-content/uploads/2018/04/OCREC_safety_stop-op.png)
When depth of 10m is reached then safety stop is displayed during ascent. When NDL is 0 then DECO STOP is displayed instead of SAFETY STOP.
Gas switch
![Dive computer – Gas switch screen info in OC REC mode Dive computer - Gas switch screen info in OC REC mode](https://divecomputer.eu/wp-content/uploads/2018/04/OCREC_gas_switch-op.png)
Change screen for currently used gas. It contains a list of all active gases (“ACT” in the gas configuration table). The wrong gas for a given depth is displayed in red.
Gradient Factor change
![Dive computer – Gradient Factor change screenin OC REC mode Dive computer - Gradient Factor change screenin OC REC mode](https://divecomputer.eu/wp-content/uploads/2018/04/GF-Change-op.png)
Screen of quick change of gradient factor parameters – in an emergency situation. Default values gf lo / hi: 99.
Underwater configuration screen
![Dive computer – Underwater configuration screen in OC REC mode Dive computer - Underwater configuration screen in OC REC mode](https://divecomputer.eu/wp-content/uploads/2018/04/OCREC_cfg-op.png)
Device parameters configuration screen. In underwater mode, the sub-menu buttons (MODE, COMPASS CALIBRATION, FIRMWARE UPGRADE) are inactive.
Underwater gas setup
![Dive computer – Underwater gas setup screen in OC REC mode Dive computer - Underwater gas setup screen in OC REC mode](https://divecomputer.eu/wp-content/uploads/2018/04/OCREC_underwater_gas_setup-op.png)
Gas table configuration screen and change of currently used gas.
Underwater compass
![Dive computer – Underwater compass screen in OC REC mode Dive computer - Underwater compass screen in OC REC mode](https://divecomputer.eu/wp-content/uploads/2018/04/OCREC_underwater_compass-op.png)
Display of current digital compass indications and locked course.