Mating Your B-Links - Buddy-Link
Contents
1. Signal Responses Single Tap 4 color mix Whooshing orm raser I PP fd dd PP ddd2. whoosh up and down Two taps cause the LEDs to pulse on and off with the notes of the audio tune There is a third Public signal that can be activated by tapping the Button 4 times Any B Links within range independent of their mated channels will respond by twinkling their red and yellow LEDs The audio tone sounds like a French police siren French police siren FIGURE 6 You may send two different Private signals by tapping once or twice Tapping 4 times sends a Public signal You determine the significance of the different signals in agreement with your Buddy For instance you may agree that 1 tap means look up I want your attention and 2 taps mean come to me Features Automatic Acknowledgement and Resend When you send a signal to your Buddy s B Link it automatically sends an acknowledgement back to you When your B Link receives the acknowledgement it flashes all 4 color LEDs appears white for a tenth of a second to indicate that your Buddy received your signal If your B Link does not receive an acknowledgement it resends your signal and waits again for an acknowledgement There is no flash if your B Link still does not receive an acknowledgement All 4 color LEDs flash Your Signal S I S ai 2 Ls A S N Acknowledgement 1 10th second 7 FIGURE 7 Your Buddy s B Link automatically sends an Acknowledgement to tell you that your signal was received Signal Strength
3. Range Indication Your B Link measures the signal strength whenever it receives a valid message The signal strength is only a rough measure of distance to your Buddy but the stronger the signal is the closer your Buddy is Moreover if your Buddy is out of range then you cannot signal each other in case of an emergency The color of the LED that lights when you press the Button gtves you an indication of whether your Buddy is near or far Blue and green mean your Buddy is nearby yellow means your Buddy is within signaling range and red means your Buddy may be too far away Signal Range iui ut of Close Near Medium Far ange ly iy FIGURE 8 Whenever you press the button or after initiating a silent ping the LED color reflects the signal strength and corresponding distance to your Buddy You can update the range estimate to your Buddy by initiating an exchange ping that does not flash the LEDs in your Buddy s unit Simply press and hold the Button until the LED turns off release the Button and then tap once If your Buddy is within signaling range you will see 1 2 3 or 4 flashes of the blue green yellow or red LED The color and number of flashes indicate in order an estimate of how far away your Buddy is If the red LED lights for about 2 seconds then the signal level is too low to receive a valid message 10 Automatic Dimming for Night Dives Your B Link automatically dims the lig
4. area Before you use your B Links for the first time you must mate them so that they use the same channel This is done above water as follows Activate all units by touching both of the terminals on the top of each unit with a moistened finger Position the units a few inches apart Note that B Links can communicate reliably more than 100 feet underwater but no more than 1 foot in air Choose one unit Press and hold its Button until the LED turns off about 2 seconds Release the Button and then tap it twice within the next 2 seconds The unit will transmit a special mating signal followed by its channel code to the other B Links This will take approximately 8 seconds The B Links should alternately flash their LEDs and play tunes in response to the mating signal and the channel code If any of the other units do not mate successfully repeat the previous step 2 Seconds Tap twice within next 2 seconds FIGURE 5 Start Mating by turning all units on and positioning them close together Press and hold the Button of one unit until the LED turns off Then tap twice within 2 seconds Note that this procedure works with a group of B Links as well as a pair Simply position all of the B Links close together and perform the mating procedure above Signals You may send two different private signals to your Buddy s B Link by tapping once or twice One tap causes the LEDs and the audio tone on your Buddy s unit to
5. BUDDY pene APF User Manual Introduction The Buddy Link attaches to the outside of your diving mask just in line with your peripheral vision A suction cup on the back of the unit holds the B Link in place A lanyard clipped to the top of the B Link secures the unit to your mask Figure 1 FIGURE 1 The B Link uses a suction cup to attach to the front of your diving mask Four different color LEDs blue green yellow and red are visible in your peripheral vision On the front of the unit is a virtual Button which feels like a small depression and is marked by the B Link name When you tap this button an ultrasonic signal is sent to your Buddy s B Link unit In response a pattern of 4 color LED lights will flash in your Buddy s peripheral vision and a corresponding tone will sound You ll know the message was received when your unit flashes and beeps an acknowledgment 2 Getting Started There four different color LEDs blue green yellow and red located behind the suction cup that are used for signaling configuring and readout Also there is a blue LED located on the top of the B Link Top Blue which serves as a beacon The Virtual Button The B Link is controlled via a single virtual Button This is a recess located on the side opposite the suction cup and indicated by the B Link name and two concentric circles When you press the Button your fi
6. Button until the LED turns off twice Then tap once within 2 seconds 17 18 FIGURE 13 B Links are delivered in a water resistant Pelican case with molded polyurethane foam liner and includes 2 B Link units 2 Lanyards a Charging Station a DC to DC Converter and a connecting cable Specifications Manufactured in Battery Battery Life Dives per charge Terminals Encapsulation Signal Operational Range B Link Weight Package Weight U S A Rechargeable Lithium Polymer Greater than 500 recharges Approximately 10 Stainless steel Polyurethane 58 KHz ultrasonic Greater than 100 feet Omni directional 19 grams 2 3 ounce 10 ounces Affinity Devices Inc 5950 Lucas Valley Road Nicasio CA 94946 415 662 2256 Phone 415 662 2056 Fax www affinitydevices com Affinity Devices Inc 2008 2009 all rights reserved 0509 19 LED Matrix Top Blue Green Yelow Ra Faint Ske Low Power Full battery Battery good Recharge after Recharge charge for multiple dive battery dives before using 1 Second Flash Full battery Battery good for Recharge after charge dives dive While sending then iio ss S S While Button is Pressed amp Silent Ping Response Turning on Signal Strength Ample signal strength Reduced signal Marginal signal Buddy nearby strength find Buddy Mating Signal ss Combination Flash and Tune in response to initiating B Link
7. battery Your B Link comes with a DC to DC Converter for powering its Charging Station The Converter can use any type of AA cell batteries but works especially well with Energizer Lithium Duracell Ultra and NiMH rechargeables You may also power the Charging Station from any 5 volt USB power source such as a personal computer or an AC to USB power adapter A normal USB port should be capable of supplying the necessary 100 ma of current USB mini B Miniature Plug AA Battery Charging Station DC to DC Converter FIGURE 9 Use the supplied cable to connect the DC to DC Converter to the Charging Station To recharge your B Link remove the unit from your mask and unhook the safety lanyard from the stainless steel terminals Insert the top end with the terminals into the Charging Station and align the suction cup with the notch in the Charging Station Press the B Link into the Charging Station until you feel it click into place ie Connect the miniature plug end of the supplied cable to the DC to DC converter Connect the other end of the cable USB mini B to the base of the Charging Station Figure 9 Power Charging Fully Charged Green Yellow Green Flashing FIGURE 10 LEDs indicate charging status When power is supplied to the Charging Station a green LED in the base will glow While the battery is recharging the yellow LED in the B Link will glow If the battery is mostly discharged the yellow LED will delay glo
8. d Underwater Activated Transmitting The Blue Top LED flashes once every 4 seconds The Blue Top LED lights while transmitting then flashes once per second for 10 seconds In Charging Station Charging Fully Charged The yellow LED in the B Link glows continuously The green yellow LED in the B Link flashes on and off once per second 15 Proper Care Between dives your B Link should be rinsed and dried Leaving your B Link where it will stay wet will cause the battery to run down since B Links turn on when submerged Avoid dropping or banging your B Link on hard surfaces The ultrasonic transducer is made of a ceramic material and can crack if abused The suction cup is User replaceable if necessary Use a screwing motion to remove the old one and insert the supplied replacement 16 Options Sound On Off The Sound generator can be toggled On or Off while above water as follows e Press and hold the B Link s Button for about 2 seconds until the LED turns off and then Release the Button e Within 2 seconds press and hold the Button again for another 2 seconds until the LED turns off and then Release the Button e Tap the Button Once within the next 2 seconds The B Link will play a tune if the sound has toggled On A short beep will indicate the sound has turned Off Release Tap once within next 2 seconds FIGURE 12 To toggle Sound ON or OFF press and hold the
9. ht output of all its LEDs when it senses a low light environment such as on a night dive or in a wreck or a cave Note that the switch back and forth between low and high light levels is intentionally slow 500 Private Channels There are 500 separate private channels available for pairs or groups of B Links to use The channel that is chosen is determined by the serial number of the B Link that initiates the mating Although very unlikely this can result in two groups of divers using the same channel in the same area The rule to remember separately mate together all of the new pairs or groups that are formed from a group you break apart Whenever you trigger mating your B Link s channel code will be reset according to its own serial number If you inadvertently trigger mating without your Buddy s B Link nearby this cannot happen underwater you should explicitly mate your B Link with your Buddy s unit again Tf diver Alice uses her B Link to initiate mating with divers Bob and Cherie and then initiates mating with new diving buddy Dave then both pairs of buddies Alice Dave and Bob Cherie will be using the same channel 11 Recharging the Battery Your B Link uses a rechargeable lithium polymer battery that is capable of operating for up to 15 dives 600 minutes before recharging depending on how often you communicate with your Buddy However the maximum range of operation is obtained with a fully charged
10. nger blocks an infrared light beam which activates the Button There are no moving parts or seals to leak underwater The B Link responds to your button press by turning on one of its LEDs Virtual Button 4 Color LED Indicator nt Back Faces away from mask Faces toward mask FIGURE 2 Tapping the virtual Button on your B Link causes the LEDs on your Buddy s unit to flash and a tone to sound If pressing the Button ever fails to light one of the LEDs while underwater then an air bubble has become trapped Wipe the Button depression or tap more vigorously to dislodge the bubble 3 Tapping the B Link s Button once or multiple times initiates different functions The Button may also be pressed and Held to perform certain operations For proper recognition of multiple taps the duration of each tap should be roughly the same Taps single or multiple are recognized when you stop tapping and release the Button Attaching the Buddy Link The B Link uses a suction cup that attaches to the front of your diving mask in the corner of the faceplate While submerged your B Link is held securely to your mask by the water pressure Use the accompanying Lanyard for extra security especially between dives Figure 3 shows how to attach the plastic Lanyard Clip to the stainless steel terminals on the top of the B Link Attach the loop end of the Lanyard to your mask strap as shown in Figure 1 FIGURE 3 Hook the plastic La
11. nyard Clip on the B Link s stainless steel terminals and attach the safety Lanyard to the mask strap Turning Your B Link On Off The B Link is activated automatically when submerged While activated the blue LED on the top of the unit flashes once every 4 seconds The B Link can be activated above water by touching both of the terminals on the top of the unit with a moistened finger The B Link enters low power Sleep mode after 5 minutes of inactivity above water It is always ON while submerged In Sleep mode one of the LEDs flashes faintly once per second The LED color indicates the battery charge see Indicators below Your B Link can be forced to enter Sleep mode by pressing and holding the Button for approximately 10 seconds until the unit flashes all four LEDs in quick sequence Auto On Auto Sleep Battery Low 5 Min Wy Wy R R 4 sec 1 per sec FIGURE 4 The B Link turns On automatically underwater and Sleeps after 5 minutes of inactivity above water Blinking red LED indicates the battery charge is too low to turn on If the B Link has shut down because of insufficient battery charge the red LED will flash faintly every 4 seconds and the unit will refuse to wake up At this point the only way to activate the unit is to recharge the battery Mating Your B Links B Links use 500 different channels such that multiple pairs or groups of divers can have their own private communication link in the same
12. wing for a minute When the battery is fully recharged the green LED in the B Link will flash on and off once per second Charging a fully discharged battery will take less than 2 houts To remove the B Link from the Charging Station use your thumb and index finger to grasp the suction cup and the bottom lip and pull firmly 13 Checklist Above Water e Check that all B Links have adequate battery charge e Confirm that all B Links are mated together Entering Water e Wipe the Virtual Button depression to remove any bubbles After Dive e Rinse all B Links and wipe them dry Indicators Above Water Low Power Mode One of the LEDs flashes faintly once per second The color indicates battery charge Battery charge good for Green multiple dives re Recharge after current dive Recharge before using Unit will not activate until recharged Full battery charge 14 Battery Charge Mating Signal Underwater Signal Strength When first activated one of the LEDs flashes for a second The color indicates battery level as per Low Power mode The receiving units will flash their LEDs and play a tune in response to the initiating B Link The blue green yellow or red LED lights up whenever the Button is pressed The color indicates signal strength RS LSS Ample signal strength Buddy nearby Reduced signal strength w Marginal or no signal Look for Buddy Both Above an
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