Locating Beeper Operating Instructions Version 1.0 Contents 1. What’s a Locating Beeper? ............................................................ 3 1.1. Summary ................................................................................. 5 2. Mounting .......................................................................................... 6 3. Functionality.................................................................................... 7 3.1. Low Voltage Code ..............................
Locating Beeper Operating Instructions Version 1.0 1. What’s a Locating Beeper? The Problem: Some times you might be in a situation where you must land your RCmodel out side of your airfield. Examples are if the engine quits and you do not make it to the runway anymore or the thermal lift vanishes and quick landing is in order. Last resort often is landing in a field or high grass. It is often difficult to find the model afterwards. Often you miss the model by just a few feet.
Locating Beeper Operating Instructions Version 1.0 Due to high current consumption the receiver battery is quickly discharged – possibly before the model is found. Because the receiver set is without energy the Locating Beeper is not supplied with power anymore. In this situation it is no good as model finder.
Locating Beeper Operating Instructions Version 1.0 1.1.
Locating Beeper Operating Instructions Version 1.0 • PRO-version with autarky supply due to integrated battery • Sounding of alarm occurs caused by missing or erroneous servo signal, a defined failsafe signal or interruption of the supply (PRO-version) • Simple deactivation (switching channel at transmitter) immediately before turning the receiver off inhibits unwanted alarm (PRO-version) ATTENTION: The Locating Beeper has two loudspeakers which generate a very high sound pressure (high loudness).
Locating Beeper Operating Instructions Version 1.0 3. Functionality There are several options for activating the alarm: • • • • • A defined servo position, e.g. by a switching channel of the transmitter (servo position < -100%) The defined servo position of a servo which is connected in parallel to the Locating Beeper (e.g. choke servo or tow release) Failsafe setting of the servo position (e.g. turning the transmitter off) Missing or erroneous servo signal (e.g.
Locating Beeper Operating Instructions Version 1.0 For 2.4GHz sets or when using PCM modulation, i.e. if servo signals of the receiver assume a failsafe value caused by a missing transmitter signal, then the Locating Beeper recognizes a defined servo signal (failsafe < - 100%), which also leads to an alarm. As an additional feature, the Locating Beeper monitors the receiver supply. As soon as it drops below 4.8 volts, a continuous alarm is output by buzzer codes (low voltage code).
Locating Beeper Operating Instructions Version 1.0 3.2. Model Finder Code (Failsafe) The Locating Beeper outputs a special alarm signal similar to the S.O.S. signal (3 times short, 3 times long and 3 times short) when the servo signal is missing, erroneous or assumes a certain value (failsafe state). The signal repeats every 4 seconds. Alarm starts with following conditions Servo pulse length shorter than 0.8ms (corresponds to -175%) Servo pulse length longer than 2.
Locating Beeper Operating Instructions Version 1.0 4. Specifics of PRO-Version The PRO-version of the Locating Beeper behaves just like the normal version as far as the low voltage alarm is concerned. Model finder alarm (S.O.S. alarm signal) which results from an erroneous servo signal is still output by the PRO-version if the receiver supply is interrupted or missing. The S.O.S alarm signal is repeated every 4 seconds. An exception is the autarky operation, i.e.
Locating Beeper Operating Instructions Version 1.0 4.1. Deactivating the Alarm Function For Locating Beeper PRO (with integrated battery) the alarm function must be deactivated by a certain sequence (servo signal) before the receiver can be turned off. Because the receiver’s voltage drops and the servo signal starts missing also when purposely turning the receiver off, the Locating Beeper would recognize this as an error and starting outputting the alarm codes.
Locating Beeper Operating Instructions Version 1.
Locating Beeper Operating Instructions Version 1.0 4.2. Deactivating the Alarm Signals The user can stop the output of an alarm signal if the Locating Beeper PRO runs autarky (i.e. supplied by its internal battery). The alarm output beeps for more than 2 hours if not stopped until the internal battery is empty. There are deactivating possibilities, depending on the event which triggered the alarm. If the alarm was triggered by servo signal monitoring: • Deactivation only by a valid servo signal, i.e.
Locating Beeper Operating Instructions Version 1.0 4.3. Tow Rope Finder The PRO-version of the Locating Beeper can be used as tow rope finder also. Mount it to the tow rope (close to the tow release of the model). Additionally mount a servo extension cord close to the tow release of the model which connects to a free receiver channel. Remove the plastic housing at the fuselage side of the cable (see photo) so the plug of the Locating Beeper can easily slide out of the socket of the Locating Beeper.
Locating Beeper Operating Instructions Version 1.0 After the tow rope releases, the plug of the Locating Beeper slides out of its socket; the Locating Beeper sounds the S.O.S. alarm signal. If the rope falls into a field it is easily localized due to the alarm signal of the Locating Beeper. Connecting the shorting jumper stops the alarm (see 4.2.). A similar application is monitoring of dropped parts (e.g. model sky diver). Here too, the Locating Beeper eases locating.
Locating Beeper Operating Instructions Version 1.0 4.4. Specifics for Empty Battery The system needs a few seconds to “get ready” if the integrated battery of the Locating Beeper PRO is totally discharged. This is recognized by a strange clicking noise with different beeps of the Locating Beeper after turning it on. This can last up to 20 seconds. Then normal operation starts.
Locating Beeper Operating Instructions Version 1.0 5. Technical Data Locating Beeper Operating Voltage Range 2.5 … 8.4V Quiescent current (when off) Approx. 1.5mA Current Consumption Buzzer Active Approx. 160mA Low Voltage Recognition Starting < 4.8V Buzzer Loudness Approx. 90dBA Buzzer Frequency Approx. 3.2kHz S.O.S. Alarm Signal at Servo Pulse < -100% (< 1.
Locating Beeper Operating Instructions Version 1.0 6. Safety Instructions In general, all connecting lines should be run so that they do not come into contact with moving or hot parts of the model (such as servos, gears or sound absorbers). The Locating Beeper must be protected from humidity and moisture. The Locating Beeper must be located at a sufficient distance from neighboring surfaces to enable good heat dissipation of the heat sink.
Locating Beeper Operating Instructions Version 1.0 7. Warranty EMCOTEC GmbH shall issue a 24-month warranty on the Locating Beeper. The guarantee period shall begin with delivery of the equipment by the retailer and shall be not extended by any guarantee repair or guarantee replacement. During the period of guarantee, the warranty shall cover the repair or replacement of any proven manufacturing or material defects at no charge. There shall be no specific entitlement to repair work.
Locating Beeper Operating Instructions Version 1.0 Legal Information: Trademarks: The following names are registered trademarks: EMCOTEC DPSI DPSI RV Other product names mentioned in this manual may also be trademarks or registered trademarks of their respective owners. Copyright information: This manual is copyrighted by EMCOTEC GmbH. All rights reserved.
