SeaLogCressi
How to import dives from a Cressi Edy
The Cressi Edy transfers over serial cable only. iOS does not expose that kind of connection to apps, so the dives come across once through a Mac or PC, then live on your phone forever.
Transfer the dives off the Cressi Edy
- Install the driver for the cable
The serial cable is a USB-to-serial adapter, and its chipset needs a driver before any software can see the Cressi Edy. Install the USB-to-serial IR bridge. libdivecomputer lists the Leonardo-era interface as FTDI (VID 0x0403 / PID 0x87D0) and the older Seiko-based Cressi cable as Prolific PL-2303 re-badged with Cressi IDs (VID 0x04B8 / PID 0x0521). Cressi's own installer bundles a USB-only driver that exposes no COM/tty serial port, which is why third-party software needs the VID/PID grafted onto the generic FTDI or PL-2303 driver. Decompiling Cressi UCI confirms the transport: it drives a plain serial port and speaks an IrDA protocol to the computer. driver, then reboot. Skip this and the desktop app will report no device on a cable that is working perfectly.
These cables are USB-to-serial. Without the USB driver the port never appears, and the software reports no device. - Connect the Cressi Edy to a Mac or PC
Use the serial cable made for the Cressi Edy, not a generic charging cable: the data pins differ. Check the o-ring is seated, line the connector up with the notch on the case, and turn it to lock. An iPhone or iPad cannot open this kind of connection at all, so this step has to happen on a computer.
The o-ring must be in place, the nub lines up with the notch, then the head turns a quarter turn to lock. This cable is USB-to-serial IR bridge. libdivecomputer lists the Leonardo-era interface as FTDI (VID 0x0403 / PID 0x87D0) and the older Seiko-based Cressi cable as Prolific PL-2303 re-badged with Cressi IDs (VID 0x04B8 / PID 0x0521). Cressi's own installer bundles a USB-only driver that exposes no COM/tty serial port, which is why third-party software needs the VID/PID grafted onto the generic FTDI or PL-2303 driver. Decompiling Cressi UCI confirms the transport: it drives a plain serial port and speaks an IrDA protocol to the computer.. - Put the computer into PC mode
Switch the Cressi Edy into its PC or upload mode before you launch the software, not after. Most desktop apps only look for the unit at startup, so a computer that wakes up late is a computer the software never finds.
Most units only hold this mode for a minute or two, so do it last, right before you connect. - Download the dives with desktop software
Read the computer with Cressi Logbook or Subsurface. Subsurface is free, open source, runs on macOS, Windows and Linux, and supports this model.
- Export the dives as UDDF
Export the whole logbook to a UDDF file. UDDF is the open dive-log exchange format and keeps the full depth profile, not just the summary numbers.
Export the whole logbook, not the visible page. UDDF keeps the sample-by-sample depth profile, which a summary CSV does not. - Import the file into SeaLog
Get the file to your phone. AirDrop, iCloud Drive or email all work, anything that lands it in the iOS Files app. Then in SeaLog tap the plus button, Import dives, UDDF file, and pick it. Every dive arrives with its profile, and duplicates are skipped.
A dive log app for the Edy
Once the dives are in, SeaLog treats them like its own: a scrubbable depth profile, the site pinned on a map, water temperature, gas and tank, buddies, and the photos from your camera roll matched to the minutes you were underwater. Tag the animals you saw and they go into your species life list. It works offline on the boat and syncs when you are back, and your whole logbook exports to UDDF, CSV or PDF whenever you ask, so nothing is locked in here either.
Cressi’s own software and drivers
Alive but frozen: Cressi still sells computers and still hosts every file, but the desktop software has not moved since 2022 (macOS support stops at Catalina, the Mac build is Intel-only), and the range is now split across three unrelated apps and two half-migrated websites.
- Desktop softwarePC Logbook for Edy (legacy Windows software)The Edy equivalent of the Archimede logbook program, likewise orphaned but still downloadable.Windows
- ManualEdy PC Logbook manual (English)2006 documentation for the Edy logbook software, and the only Edy PDF Cressi still serves.Windows
- SupportCressi Manuals & Software (current support hub)The live hub. Groups every current dive computer with its manual and its matching software, and it is the only Cressi page whose manual links still resolve.
- SupportCressi PC interfaces, software index (legacy site)The older download index, still online and still the most complete: it is the only Cressi page that lists both UCI and the Windows 11 build of PC Interface side by side, split into the two model families.Win + Mac
Every link goes to Cressi’s own site and was checked before publishing. If one has rotted since, tell us and we will fix it.
Cressi Edy: common questions
Can I connect the Cressi Edy to my iPhone directly?
No, and no app can change that. The Cressi Edy transfers over serial cable only, a connection iOS does not expose to apps. Anyone promising a direct wireless download from this model is describing a different computer. The one-time cable route above gets every dive across.
Which cable and drivers do I need on a Mac?
Use the Cressi interface cable made for this model, not a generic charging cable: the data pins differ. Most of these cables are USB-to-serial and need the driver for their chipset on macOS, usually Silicon Labs CP210x or FTDI. Install the driver, reboot, and the port appears to the desktop software.
Do I have to do this every time I dive?
Only if you want the new dives in digitally. Many divers do the cable run once to rescue their history, then log new dives directly in SeaLog on the boat, which takes about as long as filling in a paper page.