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Smith-Root LR-20 Series User Manual Download Page 13

1.  Power On-Off Button
2.  Frequency Adjust Knob
3.  Duty Cycle Adjust Knob
4.  Timer Reset Button
5.  LCD Menu Display
6.  Front Cover
7.  Voltage Range Selector
8.  Audible Output Alert

9.  Visual Output Alert Light 
10. Cathode Connector
11.  Anode Connector
12.  Front Cover Latches
13.  Control Connector
14. Battery Connector
15.  Battery Handle
16. Anode/Cathode Strain Relief Clips

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5

For more information on front panel items,  see 

Front Panel Controls and 

Indicators

 on page 5.

USER’S GUIDE

11

2018

Summary of Contents for LR-20 Series

Page 1: ...LR 20 SERIES BACKPACK ELECTROFISHERS 09441 09 LR 20 Series Manual USER S GUIDE...

Page 2: ...icable shipping charges The restocking fee is figured at 10 of the purchase price but not less than 20 00 Customers receiving equipment in damaged condition will be referred to the shipping company fo...

Page 3: ...fers the safety and ruggedness of the LR 24 with the reliability of our classic Model 12 while using the accessories of our standard LR 24 The LR 20B is an ideal transitional unit from our classic Mod...

Page 4: ...stment K Timer Reset Menu Select Button L LCD Display M Voltage Range Switch N Warning Light O Audio Alarm Bottom Right P Cathode Connector Q Battery Cable Strain Relief R Control Connector S Anode Co...

Page 5: ...uty Cycle switches Cover Latch TIMER FREQUENCY DUTY CYCLE PUSH TO RESET OUTPUT CONTROL 50 45 10 60 40 20 70 35 25 15 80 90 120 110 100 30 VOLTAGE RANGE LR 20Electrofisher Backpack 1 5 0 1 0 0 50 990 7...

Page 6: ...proper connection for the cathode is with the cable pointing away from the backpack CONTROL CONNECTOR Located on the bottom right center of the electrofisher the small black 4 socket connector provid...

Page 7: ...eset Button Display Window Voltage Range Switch Audio Alarm Warning Light output of the LR 20 has been active since the last timer reset the output voltage and current and a fuel gauge type display of...

Page 8: ...t by placing the LR 20B on the ground orienting the battery inside with its bottom on the wall towards the packframe and centering it towards the bottom B Lay the battery inside the battery tray handl...

Page 9: ...clip on either side of the packframe is attached to the electrode cables as shown in Fig 1 Using the rings and clips in the manner indicated will transfer the weight of the electrode cables to the pa...

Page 10: ...degrees and the tilt message appears on the display Straighten up and the status display should return If the tilt message does not appear do not use the electrofisher send it to Smith Root for repair...

Page 11: ...forced response twitch from the fish when you press the anode pole switch b If fish are not showing taxis then increase the duty cycle switch one position and try again If necessary repeat this step...

Page 12: ...o 49 watts the TOP The Emergency Shutdown Switch MIDDLE Flashing red indicator light 1 and audio alarm 2 BOTTOM Audio alarm showing volume adjustment bezel C A U T I O N Always unlatch the chest strap...

Page 13: ...Output Alert 9 Visual Output Alert Light 10 Cathode Connector 11 Anode Connector 12 Front Cover Latches 13 Control Connector 14 Battery Connector 15 Battery Handle 16 Anode Cathode Strain Relief Clip...

Page 14: ...ed green LED light Full electronic protection is provided against short circuit and reverse battery connec tion BATTERIES BATTERY CARE AND MAINTENANCE CAUTION Old sulphated batteries usually have a re...

Page 15: ...socket before it is connected to the battery 3 Verify that the polarity is correct and connect the charger cable Red to red black to black use provided adapter for lithium batteries 4 Connect the char...

Page 16: ...tric storage They conform to the International Air Transport Association I A T A Special Provision A67 classifying them as non dangerous goods and are therefore exempt from the subject regulations for...

Page 17: ...s Recommended operating temperatures are between 5 and 35 degrees C maximum 15 to 50 degrees C The energy available on a given discharge cycle decreases at low temperatures and increases at higher tha...

Page 18: ...AGE Batteries stored at room temperature will self discharge at 3 to 6 per month Storage temperature above 20 C 68 F should be avoided Shelf life can be increased by storing in a climate controlled en...

Page 19: ...clear and concise manner gives the usable battery life remaining This tool is not to be used during each charge discharge cycle but rather is intended to be used a few times a year just prior to actu...

Page 20: ...should be carefully inspected before each field operation With all electrical equipment in good operating condition and all insulation junction boxes bonding and connections intact there is much less...

Page 21: ...cally hot wire Currents above this level may not cause ventricular fibrillation but may be enough to cause contraction of the chest muscles If the current is not stopped or the victim is not removed f...

Page 22: ...20 40 60 80 100 120 140 160 180 200 220 240 PULSE DURATION Seconds Preventing electrical shock means preventing electrical current from entering and flowing through parts of the body Rubber lineman s...

Page 23: ...hing load the equipment and leave the area WARNING Operating this equipment in a manner not specified in this manual making modifications or using accessories not approved by Smith Root Inc may impair...

Page 24: ...abs on either shoulder strap 3 With strap detached shrug off opposite strap 4 This will allow the pack to fall away from you very quickly Move away from pack as it falls CAUTION Always unlatch the che...

Page 25: ...8ms 10ms 90 0 6ms 1 1ms 1 7ms 2 2ms 2 8ms 3 3ms 3 9ms 4 4ms 5ms 5 6ms 6 7ms 7 8ms 8 9ms 100 0 5ms 1ms 1 5ms 2ms 2 5ms 3ms 3 5ms 4ms 4 5ms 5ms 6ms 7ms 8ms 110 0 5ms 0 9ms 1 4ms 1 8ms 2 3ms 2 7ms 3 2ms...

Page 26: ...f switch Output active super high brightness red LED Output active audio alarm Output off immersion sensor Output off tilt sensor High output current protection Pole mounted output control switch Elec...

Page 27: ...ing fish Frequency The rate at which an electrical signal changes over time The unit of measure is the Hertz One Hertz is equal to one change cycle per second and is abbreviated Hz For example if an L...

Page 28: ...info smith root com 360 573 0202 Vancouver WA USA www smith root com Since 1964...

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