Mammut Barryvox S Avalanche Transceiver

Here you can find our previous review on the Mammut Barryvox Element. It won our Gear of the year 2014 stamp of approval for its simple, intelligent and clean design that was both easy to use but at the same time very sophisticated and quick. The Element was released in conjunction with the Pulse model and they acted in the same way as the Barryvox and Barryvox S, with the Pulse having a more advanced feature-set. Mammut has used the information and experience gathered over these years and focused it on their new line up…. Let's get stuck in.
 
The Barryvox S (the S stands for Smart) has a basic and Pro Search option. We will cover the beacon in basic mode initially and then go over the Pro Search features further down the page.

The Barryvox S fits comfortably in the palm of your hand—even with gloves. The single button on the front acts as a Mark button and “ENTER” for menu navigation.

The On-Off switch works identically to the Element/Pulse models, with a lock that stops you from accidently changing the mode, though this is impossible when the beacon is its harness. This and all of the buttons on the beacon are easily operated with gloves on.

Beacon is now in fine search, the mark button is now enabled, giving you the ability to flag a signal and move on to the next burial. Note the nifty, and clear iconography (ex. for probing).

Two side buttons act as Up and Down buttons for menu navigation.

Here is the Barryvox S in its holster, slightly offset so you don’t look like you have a “Beacon Belly.”

Mammut has included very basic instructions on the rear of the beacon. This is also where you will find access to the battery compartment.

One of the differences other than the cost between the Barryvox and the Barryvox S is Pro-Search. This setting opens up many advanced features and for a lot of users may be overkill.  For experienced backcountry enthusiasts and professionals this mode offers many options and can be of help in a number of scenarios.

To enable the Pro Search mode we need to use the advanced menu. This is done during the beacon's loading screen.

• Enable/disable Pro Search & or switch to Analog mode
• Change the beacon proximity required for a successful group check,
• Enable/disable & change the time for an Auto-Revert to SEND mode,
• Enable/disable vital data (see below)  

• Increase your signal search range from 70m to an impressive 100m, though the beacon will only operate with an Analog sound until the signal it is looking for is strong enough. This option is particularly useful for tree-well burials.
• Erase marked signals
• The ability to select between different signals in a multiple burial scenario
• The option to turn on “Alternate search mode” for users who want to use different search methods often used in complex multiple burials.
• See the vital status of a buried subject if they are also using a Barryvox S beacon or a device that can receive and interpret the W-Link Radio transmission. The Barryvox S transmits your vital data, such as heartbeat and pulse, which is information that can be used by the searcher (a.k.a. are you dead, should I go dig out the other guy?)  

• The Barryvox S has what's called “Auto-Guidance” which offers continued search guidance during signal overlap, something no other beacon can do.  The beacon pre-maps the flux line and the motion sensor is able to tell where along that line the user is, so in the event of signal overlap (when two or more beacons signalling can create the illusion of only a single device) the beacon is able to continue the search un-interrupted.  This background feature doesn't require the user to do anything and virtually eliminates the "stop stand still" screen prompt indicating signal overlap.
• “Smart Fine Search” allows for an improved fine grid-search and reduces it to a minimum. A user is able to follow the arrow in the wide search, right through the shortened fine search, directly to a "probe here" icon.

Well.. That’s a lot of info. Because there are so many features and options, I didn't even get into stuff like the "Group Check." Anyway...how is it? First off anyone who liked the Element or Pulse will find a natural transition to the Barryvox series. In this reviewer's opinion, the Barryvox S has a much easier menu to navigate than the Pulse and the improved advanced features are an obvious gain. As for the regular Joe, they might find that the basic Barryvox ticks enough boxes, especially with the lower price point ($425 CAD). The main difference between the two is that the “S” has Pro Search options, Auto Guidance and Smart Fine Search. There is a lot in there but not everybody needs it.
 
At the end of the day, a beacon has to be intuitive for a person to use it correctly, and while this often comes down to personal preference I think that Mammut has hit the nail on the head— it is not easy to create a device that is so laden with options yet still has simple functionality. Bravo! I like the display, it is very large at 2,2” and well back-lit for nighttime use yet also entirely visible in direct sunlight. The holster is comfortable, and like any good beacon you forget you’re even wearing it. It feels very well made and is clearly very durable in a tough casing. Mammut is dedicated to keeping their beacons current and the device is firmware updatable. I'll be entrusting this transceiver with my survival for many seasons to come.