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Shearwater Release Petrel Firmware V33

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Shearwater Petrel

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Canadian Dive Computer manufacturer Shearwater Research have announced the release of a firmware update for the Petrel and the Petrel 2 in their latest newsletter.

Listing of changes in Petrel Firmware v33

These changes apply to both the Petrel and Petrel 2 unless otherwise noted.

NEW FEATURE: After changing the battery, the current deco tissue loading is shown on the Tissues Restored screen.

NEW FEATURE: On the Tissues Restored screen, a shortcut to reset the tissues is given. If Reset is chosen, a prompt will be displayed to confirm.

Do NOT reset tissues between repetitive dives, as inert gas loading will be lost.

Battery-Changed

The tissues bar graph is now shown on the Tissues Restored screen

CHANGE (Petrel 2 only): Compass mark heading menu moved to reduce button presses. Also, the compass can now be viewed while marking. Operation: when viewing compass a left button press brings up an “Exit Mark” menu. Right press marks compass, Left press exits to main screen. Previously had to navigate to regular menus to mark the compass.

The mark heading command now requires less button presses

The mark heading command now requires less button presses

IMPROVEMENT (Petrel 2 only):  When a heading is marked, the display now shows the offset angle between the current heading and the marked heading. This is useful for navigating patterns. For example, a box pattern requires turns at 90° intervals, while a triangle pattern requires turns at 120° intervals.

The offset between current and marked heading is now shown (in this example 16°)

The offset between current and marked heading is now shown (in this example 16°)

IMPROVEMENT (Petrel 2 only): Compass display improvement. The ‘N’, ‘E’, ‘S’, and ‘W’ characters changed to a larger font.

NEW FEATURE: New “Cave” brightness setting. This is even dimmer than Low brightness, and is suitable for very dark environments like caves or night diving.

Cave brightness is very dim and thus best suited for dark environments like caves.

Cave brightness is very dim and thus best suited for dark environments like caves.

BUG FIX: Fixed problem where gas usage for bottom time segment in dive planner was too low, due to the ascent rate (33 fpm) being used to calculate descent (60 fpm). This problem only affected gas usage calculations and not the decompression schedules.

NEW FEATURE: As a secondary backup to the super-capacitor the deco tissues and clock into permanent memory every 16 seconds when on (every 5 minutes when off). These backups will be used once the super-capacitor is drained.

On the “Bus Devices” page, choose “View” to see more info and setting

NEW FEATURE (DiveCAN Models Only):  Added support for changing settings on peripheral boards.

For example, on the SOLO board (solenoid and oxygen controller) the Solenoid Speed setting can be adjusted. Go to “Bus Devices” page on Petrel to access peripheral boards. Settings viewed here are stored on the peripheral device.

Firmware updates on peripheral boards may be required before settings can be adjusted.

If settings are available, they can be changed here. These settings are stored on the peripheral device.

To find out more about Shearwater Research visit www.shearwater.com.

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BTM Travel: Your Gateway to Unforgettable Dive Adventures

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dive travel

Who We Are

BTM Travel is a boutique dive travel agency based in Munich, Germany, led by a passionate team of seasoned diving professionals.

  • Marcel Wilpernig, our founder, has explored nearly every corner of the underwater world and brings over a decade of experience in the diving industry.
  • Tim De Deygere, our product manager, made the bold leap from a successful law career to follow his true passion—diving.
  • Simona Hlavova is the backbone of BTM Travel, ensuring smooth operations with her expertise in administration and sales.

While a significant portion of our clientele comes from Germany, our reach extends globally—from Bangladesh to California. BTM Travel is closely connected to Behind the Mask, an underwater videography network that inspires us to bring divers to the world’s most breathtaking ocean destinations.

dive travel


What We Do

BTM Travel specializes in group diving adventures and tailored big animal experiences:

  • Group Travel: We organize intimate trips to premier dive spots, led by expert photographers or wildlife guides for an unforgettable adventure. The vibe? Laid-back and adrenaline-filled.
  • Tailor-Made Trips: For seasoned divers, we craft bespoke itineraries, offering insider tips on where to go, when to go, and what to expect. Our expertise ensures realistic expectations and unforgettable experiences.

Our focus lies on big animal diving, delivering the thrill of encounters with marine giants. While we love macro and reef diving, we know our true strength lies in providing high-octane experiences for adventurers.


What Makes Us Different

We take a fresh look at traditional diving industry practices, challenging outdated habits to better serve modern-day customers.

  • Authenticity First: We only recommend destinations we trust, avoiding overselling places that don’t offer great value or quality.
  • Heartfelt Advice: Our honest approach resonates with clients, building lasting relationships and unforgettable journeys.

dive travel


Our Mission

Helping divers explore the places we love is not just our job—it’s our passion. Our goal is to remain small, authentic, and dedicated to delivering exceptional dive travel experiences.


Find Out More

For more information about itineraries, destinations, and bespoke dive adventures, contact BTM Travel:

Email: marcel@behind-the-mask.com

Call: +49 (0) 176 55771225

Website: www.behind-the-mask.com/group-trips

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Dive into Adventure: Limited Space Available for January Socorro Liveaboard Trip with Oyster Diving

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socorro

Socorro Giant Mantas, Sharks and Dolphins – 8-16th January 2025

Oyster Diving is offering an unforgettable opportunity to experience one of the world’s most extraordinary dive destinations – Socorro Island. With only one male space left for this January’s liveaboard adventure, divers are invited to join an exclusive trip to explore the waters of Socorro, renowned for its remarkable marine life and incredible dive experiences.

Unmatched Diving in Socorro

Socorro is home to a unique population of giant oceanic mantas that actively seek interaction with divers and snorkelers, making it one of the best places in the world to encounter these majestic creatures. But the adventure doesn’t stop there – the waters surrounding Socorro are also teeming with marine life, including schooling hammerheads and silky sharks, over 10 other species of sharks, playful bottlenose dolphins that love to interact with divers, large schools of pelagic fish, and, during the season, humpback whales.

Luxury Aboard the Nautilus Belle Amie

Diving in such an extraordinary location is made even more special by the Nautilus Belle Amie. Launched in 2015, this modern, spacious liveaboard yacht is designed with divers in mind, ensuring comfort and luxury throughout the trip. The boat offers various suite options, including twin rooms and superior double suites, all with the ambiance of a boutique hotel. Divers will spend 8 days aboard the Belle Amie, with all meals, guided dives, and soft drinks included.

Pricing and Availability

This exclusive Socorro liveaboard trip is available for the following prices:

  • Twin Room (2 people sharing a Stateroom): £3360 per person
  • Superior Double Suite (2 people sharing): £3860 per person

Both prices include Socorro Island fees. A port fee of $35 is payable upon arrival.

Additional Costs:

  • Return economy flights: Approx. £1,000 – £1,300 per person (prices confirmed prior to booking)
  • One night hotel B&B accommodation before the liveaboard: Approx. £100 per person

Book Now

With only one spot left, this opportunity to explore Socorro’s spectacular underwater world is sure to fill up fast. Interested divers are encouraged to get in touch with Oyster Diving Holidays to secure their place today.

For more information and bookings, please contact:

Oyster Diving Holidays
Phone: 0800 699 0243
Email: info@oysterdiving.com

Don’t miss your chance to dive with mantas, sharks, dolphins, and humpbacks in one of the world’s most pristine marine environments!

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