Lowrance LHR-20 Operation Instructions Manual Download

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Lowrance® is a registered trademark of Navico

No part of this manual may be copied, reproduced, republished, transmitted

or distributed for any purpose, without prior written consent of Lowrance

Electronics.

Any unauthorized commercial distribution of this manual is

strictly prohibited.

Lowrance Electronics may find it necessary to change or end our policies,

regulations, and special offers at any time. We reserve the right to do so without

notice. All features and specifications subject to change without notice. All

screens in this manual are simulated. On the cover: LHR-20/22 shown. Other

models covered in the manual are similar.

For free owner’s manuals and the most current information on this product, its

operation and accessories, visit our web site: www.lowrance.com

Lowrance Electronics

12000 E. Skelly Dr.

Tulsa, OK USA 74128-2486

Printed in China.

IMPORTANT SAFETY INFORMATION

Please read carefully before installation and use.

CAUTION

DANGER

WARNING

This is the safety alert symbol. It is used to alert you to potential personal
injury hazards, Obey all safety messages that follow this symbol to
avoidpossible injury or death.

CAUTION

DANGER

WARNING

WARNING indicates a potentially hazardous situation which, if not avoided,
could result in death or serious injury

CAUTION

DANGER

WARNING

CAUTION indicates a potentially hazardous situation which, if not avoided,
could result in minor or moderate injury.

CAUTION

DANGER

WARNING

CAUTION used without the safety alert symbol indicates a potentially
hazardous situation which, if not avoided, may result in property
damage.

Summary of Contents for LHR-20

Page 1: ...LHR 20 22 Operation Instructions www lowrance com Pub 988 0158 091 LHR 20 LHR 22 ...

Page 2: ...t current information on this product its operation and accessories visit our web site www lowrance com Lowrance Electronics 12000 E Skelly Dr Tulsa OK USA 74128 2486 Printed in China IMPORTANT SAFETY INFORMATION Please read carefully before installation and use CAUTION CAUTION DANGER WARNING This is the safety alert symbol It is used to alert you to potential personal injury hazards Obey all safe...

Page 3: ...ansmitting and Receiving 10 4 Accessing the 16 9 Priority Channels 10 5 Selecting Channels 10 6 Selecting High Low Power 11 7 Locking the Keypad 11 8 Adding Deleting Channels to from Memory 11 9 Accessing Channels Saved to Memory 12 10 Scanning 12 11 Using the WATCH Modes 13 12 Selecting a WX weather channel 13 13 Weather Alert Operation 14 14 Selecting U S International Canadian Band 14 15 Resett...

Page 4: ... channel key for 3 seconds allows quick and easy access to Channel 9 Channel 9 is an alternate frequency for distress or safety in some areas in the event Channel 16 is congested PLL Phase Lock Loop Controlled Circuitry Provides accurate and stable channel selection Squelch Adjustment Help eliminate noise between transmissions Key Lock Let s you lock the keypad in order to prevent the controls fro...

Page 5: ...annel indicator Scan mode indicator Signal level indicator ATIS indicator EU version Key lock indicator International channel indicator Canada channel indicator USA version Weather station indicator USA version Weather station alarm USA version Memory Channel indicator Dual watch mode indicator Tri watch mode indicator Battery level indicator This channel can only receive not transmit indicator Ch...

Page 6: ...6 Antenna PWR VOL Knob SQL squelch Knob Speaker Microphone UP Key SCAN Key DW TRI Watch Key WX UIC Key Transmitting LED PTT Push To Talk Key LCD Display MEM Memory Key Channel 16 9 Key H L LOCK Key DOWN Key Function and Location of the Controls ...

Page 7: ... radio 2 Install the antenna onto the radio 3 Install the belt clip onto the radio 1 Charging and Installing the Li ion Polymer Battery Pack Install the Li ion polymer battery pack onto the radio Use a coin or screwdriver rotate the screw lock clockwise to lock the battery pack onto the radio Coin You can either charge the Li ion polymer battery pack when it is attached to the radio or separated 1...

Page 8: ...mber to remove the radio after about 3 4 hours of charging time on the charger to maximize battery life Overcharging batteries may result in damage to both the battery pack and radio Note Do not operate the radio or press PTT key without an antenna installed The cradle charger indicator LED on the front of the charging lights when it is receiving voltage from the AC adapter RED means the batteries...

Page 9: ...hannels 5 Selecting channels 6 Selecting high low power 7 Locking the keypad 8 Adding channels to memory 9 Scanning channels 10 Accessing channels saved to memory 11 Using the WATCH modes 12 Selecting a WX weather channel 13 Weather Alert operation 14 Selecting U S International Canadian Band 15 Resetting the radio 1 Turning the Power On Off Use PWR VOL knob to turn on the radio once on adjust the...

Page 10: ...ng the PWR VOL volume knob can be adjusted for the best listening audio output from the speaker NOTE Before transmitting make sure the selected channel is not busy and is not designated receive only B icon showing such as CH15 See the marine Channel charts for traffic type information at the back of this manual 4 Accessing the 16 9 Priority Channels The Channel 16 9 Priority key allows you to acce...

Page 11: ... LOCK key to activate the Key Lock function in order to avoid accidental key press of the radio keypad To lock and unlock the keypad 1 To lock the keypad press and hold the H L LOCK key until the Key Lock icon appears on the LCD display 2 To unlock the keypad press and hold the H L LOCK key again until the Key Lock icon disappears from the LCD display NOTE Once Key Lock is turned on pressing the k...

Page 12: ...or more the radio resumes scanning Memory Scan In Memory Scan mode only the channels that have been saved in memory are scanned in sequence After the last saved channel number has been scanned the cycle repeats Priority Scan In Priority Scan mode you can scan all channels while alternately scanning Channel 16 to make sure that you don t miss distress or emergency calls The secondary priority Chann...

Page 13: ... 9 and the current working channels To activate and terminate Tri Watch mode 1 Press and hold DW TRI Watch key for 3 seconds to activate the Tri Watch mode The TRI icon will appear on the LCD display 2 Press and hold DW TRI Watch key again for 3 seconds to terminate Tri Watch Mode and to return to the previous working channel or 3 Press and release DW TRI Watch key to terminate Tri Watch mode and ...

Page 14: ...ng the Radio You can reset any radio settings back to the factory default settings Resetting the radio will Erase any channel s stored in memory Return to USA channels if another channel bank is currently selected at the time of reset Return to USA channels if another mode is currently selected at the time of reset Return power settings to their original state To reset the radio 1 Turn the radio o...

Page 15: ...ion Battery Life 10 Hours 5 watt Power 5 5 90 ratio 13 Hours 1 watt Power 5 5 90 ratio CAMO pattern LHR 22 only REAL TREE ADVANTAGE MAX 4 HD Cradle Charger model BC 1 TRANSMITTER Power Output 1 or 5 Watts Selectable Modulation Type FM Hum and Noise Attenuation 40dB Audio Distortion 5 Spurious Suppression 0 25μW RECEIVER Sensitivity at 12dB SINAD 0 3μV Squelch Sensitivity Threshold 12dBμV EMF Adjac...

Page 16: ...ridge Yes No 14 156 700 156 700 S Port Operations Selected VTS Areas Yes Yes 15 156 750 156 750 S Port Operations Yes Yes 1 1W only 16 156 800 156 800 S International Distress Safety and Calling Yes Yes 17 156 850 156 850 S State Controlled Yes Yes 1 1W only 18 156 900 161 500 D Port Operations No Yes 19 156 950 161 550 D Commercial No Yes 20 157 000 161 600 D Port Operations No Yes 21 157 050 161...

Page 17: ...rcial No Yes 80 157 025 161 625 D Commercial No Yes 81 157 075 161 675 D Port Operations No Yes 82 157 125 161 725 D Port Operations No Yes 83 157 175 161 775 D Public Correspondence No Yes 84 157 225 161 825 D Public Correspondence No Yes 85 157 275 161 875 D Public Correspondence No Yes 86 157 325 161 925 D Public Correspondence No Yes 87 157 375 161 975 D Public Correspondence No Yes 88 157 425...

Page 18: ...ling Yes Yes 17 156 850 156 850 S State Controlled Yes Yes 1 1W only 18A 156 900 156 900 S Commercial Yes Yes 19A 156 950 156 950 S Commercial Yes Yes 20 157 000 161 600 D Port Operations Canadian Coastguard No Yes 20A 157 000 157 000 S Port Operations Yes Yes 21A 157 050 157 050 S U S Government Canadian Coastguard Yes Yes 4 22A 157 100 157 100 S Coastguard Liaison Yes Yes 23A 157 150 157 150 S U...

Page 19: ...al Yes No 69 156 475 156 475 S Boat Operations Recreational Yes Yes 71 156 575 156 575 S Boat Operations Recreational Yes Yes 72 156 625 156 625 S Boat Operations Recreational Yes No 73 156 675 156 675 S Port Operations Yes Yes 74 156 725 156 725 S Port Operations Yes Yes 77 156 875 156 875 S Port Operations Yes Yes 1 1W only 78A 156 925 156 925 S Boat Operations Recreational Yes No 79A 156 975 15...

Page 20: ... 15 156 750 156 750 S Commercial Yes Yes 1 1W only 16 156 800 156 800 S International Distress Safety and Calling Yes Yes 17 156 850 156 850 S State Controlled Yes Yes 1 1W only 18A 156 900 156 900 S Commercial Yes Yes 19A 156 950 156 950 S Canadian Coastguard Yes Yes 20 157 000 161 600 D Canadian Coastguard No Yes 1 1W only 21 157 050 161 650 D Port Operations No Yes 21A 157 050 157 050 S U S Gov...

Page 21: ...B 161 775 S Canadian Coastguard RX Only 84 157 225 161 825 D Public Correspondence Marine Operator No Yes 85 157 275 161 875 D Public Correspondence Marine Operator No Yes 86 157 325 161 925 D Public Correspondence Marine Operator No Yes 87 157 375 161 975 D Public Correspondence Marine Operator No Yes 88 157 425 162 025 D Public Correspondence Marine Operator No Yes Special Notes on Canada Channe...

Page 22: ...62 475 NOAA Weather Channel NOAA WX RX only WX04 162 425 NOAA Weather Channel NOAA WX RX only WX05 162 450 NOAA Weather Channel NOAA WX RX only WX06 162 500 NOAA Weather Channel NOAA WX RX only WX07 162 525 NOAA Weather Channel NOAA WX RX only WX08 161 650 CANADIAN Weather Channel CANADA WX RX only WX09 161 775 CANADIAN Weather Channel CANADA WX RX only WX10 163 275 NOAA Weather Channel NOAA WX RX...

Page 23: ...e will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect th...

Page 24: ...roduct or a refund for the product THIS REPAIR OR REPLACEMENT OR REFUND AS JUST DESCRIBED IS THE EXCLUSIVE REMEDY AVAILABLE TO YOU AGAINST US FOR ANY DEFECT MALFUNCTION OR NON CONFORMITY CONCERNING THE PRODUCT OR FOR ANY LOSS OR DAMAGE RESULTING FROM ANY OTHER CAUSE WHATSOEVER WE WILL NOT UNDER ANY CIRCUMSTANCES BE LIABLE TO ANYONE FOR ANY SPECIAL CONSEQUENTIAL INCIDENTAL OR OTHER INDIRECT DAMAGE ...

Page 25: ...nd our shipping policies regulations and special offers at any time We reserve the right to do so without notice in Canada If you re in Canada and you have technical return or repair questions please contact the Factory Customer Service Department Before any product can be returned you must call customer service to determine if a return is necessary Many times customer service can resolve your pro...

Page 26: ... repair or replacement you must first receive a return authorization number from Customer Service Products shipped without a return authorization will not be accepted When shipping were commend you do the following 1 Please do not ship the knobs or mounting bracket with your unit 2 If you are sending a check for repair please place your check in an envelopeand tape it to the unit 3 For proper test...

Page 27: ...Notes ...

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