RT-B77 HELB - RHOTHETA America
Contents
1. VHF Training frequency Pre selectable in 25 kHz increments between 120 000 and 125 000 MHz Frequency precision Better than 500 Hz Output power 2 W Modulation A3X ASK software definable FSK on request Ambient temperature 20 C to 55 C Battery type 2 x 9 V block LiMnO2 Type ULTRALIFE U9VL J Battery life 12h to 48 h Interfaces IrDA and RS 232 Antenna e 260mm monopole antenna e 90 monopole life jacket antenna Dimensions 103 x 75 x 27 mm Weight 245 g with antenna and batteries As a function of microprocessor controlled power management On special request the maximum output power may be limited to a lower level Page 14 of 18 RHOTHETA User Manual Personal Locator Beacon RT B77 HELB 5 Maintenance 5 1 Cleaning In order to clean the beacon we recommend warm water and a microfiber cloth In order to remove stubborn stains use dish detergent Never use abrasive solvents or alco holic substances If the beacon was in contact with salt water flush it with sweet water in order to avoid salt deposit in the mechanics of the rotary switch and other parts of the beacon Dry the beacon 5 2 Battery Change In the following cases a battery change is required Every 4 years routinely If the self test shows the result Battery error If the beacon was activated for a long time gt 15 min or many short times a b c d If there2. abled Modified beacons are marked by a label Page 10 of 18 RHOTHETA User Manual Personal Locator Beacon RT B77 HELB 3 4 Switching OFF Turn the rotary switch 8 into position OFF Now the RT B77 HELB is switched off The manual activator the pull away acti vator the water contact and the test button are disabled If there was a function active standard service test it will stop with the voice message Power OFF If the RT B77 HELB was just armed you will get no acoustic feedback Also in this case the unit did not consume battery power Page 11 of 18 RHOTHETA User Manual Personal Locator Beacon RT B77 HELB 3 5 Self Test The rotary switch 8 is in position ARM When pressing the button TEST 10 for about 1 second The RT B77 HELB will carry out a self test procedure It will check internal electronic parameters and the battery s condition 1s During the test the YELLOW Test LED 11 is blinking If no failure is detected and not more than 10 of the battery capacity is lost the self test finishes with the voice message Test OK The status LED 4 and the function indicator 2 will blink GREEN 3 times If a failure is detected or the battery is not in proper condition less than 90 of its capacity the status LED 4 is blinking RED and the speaker will put out a failure description If failures are indicated the beacon has to be brought to service at an authorized serv
3. are other reasons for a doubt about the full battery capacity RHOTHETA Elektronik GmbH or an authorized person e g service partner should carry out the battery change At this opportunity all operating parameters will be read out and checked All counters will be reset the electronics will be checked and the tightness of the housing Warranty will expire if battery change or service is not executed by RHOTHETA Elektronik GmbH or an authorized person service partner If it is not possible to change the batteries at an authorized service station or if is it not de sired you can change the batteries by yourself Take special attention to the following points a b c Use only batteries of the specified type see Technical Data Always change both batteries Use only batteries of the same production charge the impressed number has to be equal Do not use batteries older than maximum 2 years Always change renew seal ring of the housing No xe wo Page 15 of 18 RHOTHETA User Manual Personal Locator Beacon RT B77 HELB Procedure of battery change a b c d e i j Turn rotary switch 8 to OFF position Open battery case bolts using torx screwdriver size TX 8 and remove the battery case Remove both batteries Change seal ring Reset battery capacity counter as follows insert one battery on the right side see figure below Turn rotary switch 8 to position ARM acti
4. has to be paid by the causer Activation on the dis tress frequency 121 500 MHz for test or training purposes without permission of the regulatory authority of the relevant country is strictly forbidden Warning The RT B77 HELB is not buoyant For operation on water the unit has to be fixed on a buoyant safety equipment e g a life jacket Combined with the specially designed bag it is buoyant as well Warning Activation and transmission on any test frequency can disturb communication on the air band and occurs on the own risk of the RT B77 HELB user When performing any rescue training or transmissions on a training frequency the user has to ask for permission at the appropriate local authority of the country where the beacon is used The manufacturer assumes no liability for any consequences arising from unlawful use Warning Don t expose the RT B77 HELB to extremely strong magnetic fields these may cause unwanted activation or deactivation Page 5 of 18 RHOTHETA User Manual Personal Locator Beacon RT B77 HELB 2 Short Description Page 6 of 18 RHOTHETA User Manual Personal Locator Beacon RT B77 HELB Pos Designation Function Chapter 1 Monopole Antenna Straight monopole antenna ta 90 Antenna 90 angled antenna for use with a life jacket 2 Function Indication The GREEN LED is blinking when the RT B77 HELB is _ LED activated or the self test in
5. RT B77 HELB is designed for professional use under rough conditions It is optimised for MOB man over board applica tions Therefore in use on water the RT B77 HELB shall be fixed on a life jacket a survival suit a life raft or other qualified personal safety equipment 1 2 Characteristics and Special Features of the RT B77 HELB e The RT B77 HELBis a light weight device offering high wearing comfort e Easy to use and extremely reliable in operation e It features a self test to check all important functions e Automatic activation by water immersion sensor e Activation can be coupled to inflating life west with pull away contact e Very large transmitting range through very high output power up to 2 W e Long time transmitting endurance through microprocessor controlled power management Functional and operating feedback by LED and built in speaker e Status messages in clear text via integrated speaker e Beacon ID programmable by user factory setting serial no e Beacon ID transmitted as digital code e Beacon ID transmitted as clear voice message AM e Pre selectable test training frequency e Waterproof housing e Comfortable verifiability and maintenance via IrDA interface e Software update via serial interface Page 4 of 18 RHOTHETA User Manual Personal Locator Beacon RT B77 HELB 1 3 Warnings Warning Activate the beacon only in case of emergency Activation by fault may cause an expensive rescue action which
6. User Manual nI B HEL High Efficiency Locator Beacon RHOTHETA User Manual Personal Locator Beacon RT B77 HELB Edited by RHOTHETA Elektronik GmbH Kemmelpark Dr Ingeborg Haeckel Str 2 82418 Murnau Germany Tel 49 8841 4879 0 Fax 49 8841 4879 15 Internet www rhotheta de E Mail email rhotheta de Copyright RHOTHETA Elektronik GmbH All rights reserved Issue 2010 03 25 Rev 1 05 a NOTE The manufacturer reserves on making modifications at any time and without previous infor mation of the here described product Page 2 of 18 RHOTHETA User Manual Personal Locator Beacon RT B77 HELB Contents 1 USE CHARACTERISTICS AND WARNINGS 1 1 Use 1 2 Characteristics and Special Features of the RT B77 HELB 1 3 Warnings 2 SHORT DESCRIPTION 3 OPERATION 3 1 Short Instruction for Use 3 2 Arming the Beacon 3 3 Activation 3 3 1 Manual Activation 3 3 2 Pull Away Activator 3 3 3 Water Contact 3 4 Switching OFF 3 5 Self Test 3 6 Training Mode 3 7 Service Mode 3 7 1 Entering 3 7 2 Exiting 4 TECHNICAL DATA 5 MAINTENANCE 5 1 Cleaning 5 2 Battery Change 6 DECLARATION OF CONFORMITY 7 NOTES Page 3 of 18 RHOTHETA User Manual Personal Locator Beacon RT B77 HELB 1 Use Characteristics and Warnings 1 1 Use The RT B77 HELB is a microprocessor controlled personal locator beacon PLB transmitting on the international civil distress frequency 121 500 MHz The
7. dicates no failure Water Immersion Water sensor for automatic activation if beacon is immersed 3 l 3 3 3 Activator into water 4 Status LED LEDs GREEN RED for visual status messages 5 Activation button for manual activation of the beacon 3 3 1 This clip activates the beacon manually if pulled away by 6 Pull Away Activator hand or automatically if the cord is connected to the release 3 3 2 of a life jacket IrDA interface optical In Out port used for maintenance and Separate ser 7 IrDA Interface programming of customer specific test training frequency gt p 3 ign vice manual and beacon identification Main switch which is used to 8 Bed Pell arm the beacon 3 2 switch off all working modes of the beacon 9 Speaker Output of voice status messages and sweep modulation of 7 p distress signal as acoustic feedback Test button used 10 e to activate self test or 3 5 e to swap into training mode 3 6 The YELLOW LED is blinking 11 Test LED e while unit is carrying out a self test 3 5 e when unit is switched into the training mode 3 6 The battery pack contains 2 pieces lithium 9 V blocks 12 Battery Pack LiMnO gt 13 Short Instruction Page 7 of 18 RHOTHETA User Manual Personal Locator Beacon RT B77 HELB 3 Operation 3 1 Short Instruction for Use There are three points you should observe when using routinely the beacon RT B77 HELB While or after you have fastened your rescue equipment life west tur
8. dura tion of 2 seconds Caution Every activation will be recorded by the microcontroller Activation on the distress frequency will break a software seal This flag is set and will be displayed on the User Config Tool and can only be reset by the manufacturer or an authorized service partner The user cannot reset it 3 3 1 Manual Activation Press the activation button 5 for minimum 1 second The RT B77 HELB will start transmitting MA Page 9 of 18 RHOTHETA User Manual Personal Locator Beacon RT B77 HELB 3 3 2 Pull Away Activator If the pull away activator 6 is removed from its place on the housing for more than 3 sec onds the RT B77 HELB will start to transmit We recommend connecting the pull away contact to the life jacket by the means of a cord in a way that it will be removed when the life jacket is inflated pull away contact 3 3 3 Water Contact water contact Caution The pull away contact has to be placed in the right direction The pointed end of the clip has to be ori entated to the bottom of the housing On special request the Pull Away Activator could be disabled and is not removable Modified beacons are marked by a label If the RT B77 HELB is immersed into water for more than 10 seconds the PLB will be activated automati cally For that the water contacts behind the slots have to be bridged by water In special request the Water Contact could be dis
9. ice sta tion before next use Status LED Voice Message Failure Description Blinks 3 times Test OK Beacon is OK no failure detected GREEN Blinks 2 times Battery Error Need Service Battery voltage is low or capacity is less RED than 90 battery has to be replaced Blinks 3 times Low Power Error Need Service There is no sufficient RF Power beacon RED needs service only advanced self test Blinks 5 times Transmit Error Need Service Failure in RF transmitting circuit de RED tected only advanced self test Blinks 4 or 6 fError Need Service Failure in electronics beacon needs times RED service Remark The advanced self test routine factory setting activates the complete amplifier circuit of the transmitter electronics During this test the RT B77 HELB will transmit a RF carrier signal on the preselected training frequency for about a 1 4 second So the whole electronics can be checked making the test more reliable and conform to legal regulations 1 At temperatures below 10 C the battery voltage is so low that an error is indicated although the battery is in good condition In this case the error message can be ignored Page 12 of 18 RHOTHETA User Manual Personal Locator Beacon RT B77 HELB 3 6 Training Mode The RT B77 HELB features a training mode e g to accomplish a Man over Board training a check of the receiver or of the direction finder of your MOB sy
10. n the rotary switch 8 into position ARM see below chapter 3 2 Il Check the beacon Press the button TEST 10 for about 1 second and wait for the voice message Test OK Ill When taking off your life west turn the rotary switch 8 into OFF position in order to avoid false alarm while storing the rescue equipment There is no harm to battery life leaving the rotary switch in ARM position because the bea con doesn t consume battery power while it s in standby mode Switching off will prevent false alarm 3 2 Arming the Beacon Turn rotary switch 8 into position ARM The beacon is now standby armed and all functions are available a Activation b Self test function c Training mode d Service mode In this mode the unit does not consume any battery power Page 8 of 18 RHOTHETA User Manual Personal Locator Beacon RT B77 HELB 3 3 Activation Before the beacon can be activated it has to be armed with the rotary switch see above chapter 3 2 The RT B77 HELB features 3 different ways of activation see below chapter 3 3 1 3 3 2 3 3 3 If the RT B77 HELB is activated the function indicating LED 2 in the antenna and the status LED 4 are blinking GREEN After activation a sweeping sound can be heard for about 2 seconds After 30 seconds the beacon ID will be indicated acoustically During activation the sweeping tone of the dis tress signal modulation is given out every 30 seconds for
11. p TTE 99 5 EG The conformity is proved by the observance of the following standard s Radio tests ETSI EN 300 152 2 V1 1 1 2000 08 ETSI EN 300 152 3 V1 1 1 2001 05 EMC tests ETSI EN 301 843 1 V1 2 1 2004 06 EN 61000 4 8 1993 A1 2001 Safety tests EN 60950 1 2001 and or IEC 60950 1 2001 1 Edition EN 60950 1 A11 2004 Corrigendum 2004 The assessment is consistent with a Technical Construction File showing conformity with the essential requirements of the directive and has been reviewed by Notified Body No 0700 The product is labelled with the CE conformity marking and the identification number of the Notified Body RHOTHETA Elektronik GmbH Kemmelpark Dr Ingeborg Haeckel Str 2 D 82418 Murnau Germany Murnau i i Page 17 of 18 RHOTHETA User Manual Personal Locator Beacon RT B77 HELB 7 Notes Page 18 of 18
12. stem In this mode the beacon is working as in standard operating mode transmitting on the programmable training fre quency factory setting 121 650 MHz Turn rotary switch 8 into position ARM Press key TEST 10 for more than 3 seconds The beacon will shift to training mode This status is indicated by a flashing YELLOW LED 11 Now the RT B77 HELB is armed on the test frequency factory setting 121 650 MHz and can be activated as described in chapter 3 3 Turn rotary switch 8 into position OFF to exit the training mode and switch off the beacon if it was activated Caution Important difference to the standard operating mode If the beacon is armed in training mode the batteries are discharged YELLOW LED is blink ing After each training exercise the batteries have to be changed 3 7 Service Mode This mode is used only for service and maintenance purposes and should only be activated by the manufacturer or by persons who are authorized to maintain the RT B77 HELB 3 7 1 Entering Turn rotary switch 8 into position ARM Simultaneously press both buttons TEST 10 and ACTIVATE 5 for more than 3 seconds The voice message Service Mode resounds and all LEDs are blinking 3 7 2 Exiting Turn rotary switch 8 into position OFF The voice message Power OFF resounds Page 13 of 18 RHOTHETA User Manual Personal Locator Beacon RT B77 HELB 4 Technical Data Operating frequency 121 500 MHz
13. vate service mode see chapter 3 7 short circuit the contacts as shown below using tweezers or an other suitable tool If the reset was successful the message Battery OK is put out acoustically Turn back the rotary switch 8 to position OFF Insert 2 battery Place the battery case and fasten it with the bolts There should be no chink between the battery case and the beacon housing Update the label of battery expiration date on the battery case Used batteries should be collected and disposed correctly seal ring short cut contacts for battery reset Page 16 of 18 RHOTHETA User Manual Personal Locator Beacon RT B77 HELB 6 Declaration of Conformity Address RHOTHETA Elektronik GmbH R H Kemmelpark aa Declaration of Conformity P 82418 Murnau Elektronik GmbH IHE E y E Mail email rhotheta de Internet www rhotheta de Document No 03 11 08 CE Declaration Of Conformity Type of Product RT B77 Product Designation Personal Locator Beacon PLB Emergency Positioning Indication Radio Beacon EPIRB RT B77 HELB We RHOTHETA Elektronik GmbH Kemmelpark Dr Ingeborg Haeckel Str 2 82418 Murnau Germany declare under our sole responsibility that the product and product family identified above complies with the following directives of the Council of the European Union for the approximation of the laws of the Member States on Radio and Telecommunications Terminal Equipment R am
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