Navico LHR20US HANDHELD MARINE RADIO User Manual LHR 20 22 indd

Navico Auckland Limited HANDHELD MARINE RADIO LHR 20 22 indd

USERS MANUAL

LHR-20/22Operation Instructionswww.lowrance.comPub. 988-0158-091LHR-20
Copyright © 2007 NavicoAll rights reserved.Lowrance® is a registered trademark of NavicoNo 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.comLowrance ElectronicsP.O. Box 669Catoosa, OK USA 74015Printed in China.IMPORTANT SAFETY INFORMATION Please read carefully before installation and use.CAUTION!!CAUTIONDANGERWARNINGThis 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!!CAUTIONDANGERWARNINGWARNING indicates a potentially hazardous situation which, if not avoided, could result in death or serious injuryCAUTION!!CAUTIONDANGERWARNINGCAUTION indicates a potentially hazardous situation which, if not avoided, could result in minor or moderate injury.CAUTION!!CAUTIONDANGERWARNINGCAUTION used without the safety alert symbol indicates a potentially hazardous situation which, if not avoided, may result in property damage.
Lowrance LHR-20/22 Operation Instructions 3Table of ContentsIntroduction .............................................................................................................................................4 Safety and Operational Information .........................................................................................................5 Display .....................................................................................................................................................5 Function and Location of the Controls .......................................................................................................6 Before Using Your Radio ...........................................................................................................................7 1. Charging and Installing the Li-ion polymer battery pack . . . . . . . . . . . . . . . . . . . . . . . . . 7 2. Installing the antenna . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 3. Installing the belt clip . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Using Your Radio .......................................................................................................................................9 1. Turning the power on/off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92. Adjusting squelch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103. Transmitting and receiving . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 4. Accessing the 16/9 priority channels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105. Selecting channels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 6. Selecting high/low power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 7. Locking the keypad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118. Adding channels to memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119. Accessing channels saved to memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 10. Scanning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 11. Using the WATCH modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1312. Selecting a WX (weather) channel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1313. Weather Alert Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1414. Selecting the U.S./International/Canadian band . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 15. Resetting the radio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14Maintenance .......................................................................................................................................... 14Technical Specifications .......................................................................................................................... 15Frequency Charts .................................................................................................................................... 16FCC Compliance ...................................................................................................................................23Lowrance Warranty ................................................................................................................................ 24How to Obtain Service ............................................................................................................................. 25
Lowrance LHR-20/22 Operation Instructions4 Introduction Congratulations on your purchase of this Lowrance handheld marine band VHF radio. Designed for international operation, allows you to transmit and receive on all international channels in the VHF marine band, as assigned by the International Union (ITU). The LHR-20/22 is approved with commercial-grade standards to give you clear, reliable communication.NOTE: According to WEEE regulations, the user should not dispose the product when damaged, but rather send it back to Lowrance for disposal. Refer to How to Obtain Service section for instructions to contact Lowrance.This manual addresses both the LHR-20 and LHR-22 models. Both models function identically, only the LHR-22 has a CAMO pattern and additional AA Battery tray is supplied.Your radio has the following features: Channel 16/9 Priority KeyProvide quick access to emergency channel 16, the universal and most frequently-used marine channel, which is used for distress or safety communications. Pressing and holding the 16/9 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 CircuitryProvides accurate and stable channel selection. Squelch AdjustmentHelp eliminate noise between transmissions. Key LockLet’s you lock the keypad in order to prevent the controls from accidental pressing. High/Low Power SelectionLet’s you save power by selecting a suitable transmitting power for long or short distances. Battery Level IndicatorIndicates the battery pack condition. Signal Strength indicatorDisplays the relative strength of the RX and TX signals.Supplied Battery ChargerAllows you to conveniently recharge your radio battery pack. Backlight LCD DisplayAllows you to operate the radio in a darkened environment.Memory ChannelsLet’s you store channels as memory channels. WX/UIC KeyAllows you to select Weather Band, U.S. Channel Band, International Channel Band or Canadian Channel Band. This key is also used to select Weather Alert ON/OFF.DW/TRI keyAllows you to Dual Watch your current working channel and CH16 or Tri Watch adding CH9 to the scan. Camouflage pattern (LHR-22)
Lowrance LHR-20/22 Operation Instructions 5Safety and Operational Information DisplayYour radio comes with a multifunctional display. CAUTION!!CAUTIONDANGERWARNINGYour hand-held marine VHF radio contains a low power transmitter. When the Push-To-Talk (PTT) button is pushed, the radio will transmit a Radio Frequency (RF) signal. Memory Mode indicatorReceiving indicatorTransmiting indicatorLow power transmit indicatorHigh power transmit indicatorPriority channel indicatorScan mode indicatorSignal level indicatorATIS indicator (EU version)Key lock indicatorInternational channel indicatorCanada channel indicator (USA version)Weather station indicator (USA version)Weather station alarm (USA version)Memory Channel indicatorDual watch mode indicatorTri-watch mode indicatorBattery level indicatorThis channel can only receive not transmit indicatorChannel numberThis channel can only receive and transmit by same frequencyUSA channel indicator !WARNINGNever leave your radio in a closed car or trunk; the extremely high temperatures generated in hot weather can damage the electronics.Signal Strength indicatorDisplays the relative strength of the RX and TX signals. When TX is set to HI (High) When TX is set to LO (Low)Fully charged - Normal operation Normal operation Normal operation Low battery - needs chargingBattery Level indicatorDisplays the remaining battery capacity.
Lowrance LHR-20/22 Operation Instructions6AntennaPWR/VOL KnobSQL (squelch) KnobSpeakerMicrophoneUP KeySCAN KeyDW/TRI Watch KeyWX/UIC KeyTransmitting LEDPTT (Push To Talk) KeyLCD DisplayMEM (Memory) KeyChannel 16/9 KeyH/L/LOCK KeyDOWN KeyFunction and Location of the Controls
Lowrance LHR-20/22 Operation Instructions 7Before Using your RadioBefore using your radio, you should make the following preparations: Carefully inspect the package contents for: the radio, battery pack, antenna, AC/DC wall adapter, cradle charger, wrist strap, belt clip, and this manual (including product warranty).1. Fully charge the Li-ion polymer battery pack for a minimum 3.5 hours and install it onto the 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. Insert the adapter plug into the cradle charger unit; 2. Connect the AC wall adapter into a standard wall jack; 3. Insert the battery pack or the radio with the battery tray attached into the cradle charger.
Lowrance LHR-20/22 Operation Instructions82. Installing the Antenna You will need to make sure that the flexible antenna is attached to the radio. Ensure the radio is turned OFF anytime that the antenna is not connected.Installing the antenna: Rotate the antenna clockwise to fasten securely to the threaded connector on the top of the radio. CAUTION!!CAUTIONDANGERWARNINGRemember to remove the radio after about 3-4 hours of charging time on the charger tomaximize battery life. Overcharging batteries may result in damage to both the battery packand 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 are charging. GREEN means the batteries are fully charged. You should charge the battery pack for about 3.5 hours. Attach the battery pack to the radio when it is finished charging.
Lowrance LHR-20/22 Operation Instructions 93. Installing the Belt Clip The belt clip supplied with your radio allows you to attach the radio to your belt. To install the belt clip: slide the belt clip to the back of your radio, make sure that the fitting Groove is aligned. Using Your Radio You should familiarize yourself with the following operating procedures: 1. Turning the unit on/off. 2. Adjusting Squelch. 3. Transmitting and receiving. 4. Accessing the 16/9 priority channels. 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 Band15. Resetting the radio1. Turning the Power On/OffUse PWR/VOL knob to turn on the radio, once on, adjust the volume as well. To turn on the radio: 1. Rotate the PWR/VOL knob to turn the radio on or off. The knob will make a “click” sound when the radio is turned on. The last used channel will appear on the LCD display.2. Once on, rotate the PWR/VOL knob further to adjust the volume.
Lowrance LHR-20/22 Operation Instructions102. Adjusting Squelch Squelch is used to eliminate static and background noise between transmissions, and allows silent operation of the radio until a transmission is received. If Squelch is set too high, only the strongest transmissions can be heard, and if it is set too low, intermittent static and noise may be heard. Squelch is controlled by SQL knob located on the top of the radio. To set Squelch: 1. Turn SQL knob fully counter-clockwise. You will hear a lot of static noise. 2. Then turn SQL knob clockwise slowely until the static noise stops, this is the correct position for the SQL knob. 3. Transmitting and Receiving Use PTT (Push-To-Talk) key to transmit (speak) on the selected channel. To transmit and receive: 1. Press and hold PTT key, then speak about 3 to 4” away from the microphone. The “TX” icon will appear on the LCD display while you are transmitting. 2. Release PTT key when finished speaking. The radio will change to listening mode. 3. For receiving, 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 ChannelsThe Channel 16/9 Priority key allows you to access the emergency Coastguard channel 16 quickly; pressing and holding this key also allows you to quickly access channel 9, which is an alternate emergency channel in some areas.To access the 16/9 channels: 1. Press Channel 16/9 Priority key to access channel 16. 2. To access the alternate channel 9 which is available in some areas, press and hold the Channel 16/9 priority key for 3 seconds, then release.5. Selecting Channels Use or (UP/DOWN) key to scroll through the available channels. For a list of channels and their frequencies, see marine Channel charts at the back of this manual.CAUTION!!CAUTIONDANGERWARNINGThe user is advised to adjust the Squelch level depending on your movement and/or location.Setting Squelch too high can cause weak signals (including weak distress calls) to be missed.
Lowrance LHR-20/22 Operation Instructions 11To select a channel: Use or (UP/DOWN) key to find a channel. Stop when you find the desired channel. NOTE: Not all channel numbers are available in INT bands, see marine Channel charts at the back of this manual.6. Selecting High/Low Power You must press and release H/L/LOCK key to toggle the transmit power between high and low. Select high (High power transmit) for long-range communications, and select low (Low power transmit) for short-range communications to save battery power. To change the transmit power: Press H/L/LOCK key to toggle between High and Low transmit power. When the radio is operating at high power, the “HI” icon appears on the LCD display, and when operating at low power, the “LO” icon appears on the LCD display. The H/L setting is applied to all the channels in the channel bank. Anytime the priority CH 16 is selected, it will always be at HI power. For USA operation, CH 13 and 67 are always low power initially and will go to high if the H/L key is held down while transmitting.7. Locking the Keypad Use H/L/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 keys will have no effect except for the PTT key, which is not affected by Key Lock. 8. Adding/Deleting Channels to/from Memory Your radio can store any channel (except WX channels). The stored channels are also the channels scanned in the Memory Scan mode. To add channels to memory: 1. During normal operating mode, use or (UP/DOWN keys to select the desired channel for saving. 2. Press and hold MEM key for 3 seconds. The “M” (Memory Channel) icon will appear, indicating that the current channel has been saved into memory. Any number of channels can be saved.To delete channels from memory: 1. During normal operating mode, use or (UP/DOWN) keys to select the saved channel you wish to delete. The “M” (Memory Channel) icon appears.2. Press and hold MEM key for 3 seconds. The “M” (Memory Channel) icon disappears, and the selected. The selected channel will be removed from the scan memory.
Lowrance LHR-20/22 Operation Instructions129. Accessing Channels Saved to Memory Once channels have been saved, you can easily access them by pressing the MEM key.In Memory mode, only the channels saved in memory will be accessible using the Up or Down Channel keys. To access saved channels: 1. Press the MEM key. The “Memory Mode” icon (the “M” with the inverted triangle above it) appears on the LCD along with “M” (Memory Channel) icon to indicate that you are in MEMORY mode.2. Use the or (UP/DOWN) keys to scan through the saved channels. 3. Press the MEM key again to regain access to all channels. 10. Scanning Your radio comes with three scan options: Normal Scan: If there are no channels in memory, the default is Normal Scan. In Normal Scan mode, all channels in the channel bank set are scanned in sequence. After the last channel number has been scanned, the cycle repeats. Normal scan will automatically check for transmission on the channel being scanned. If a signal is received, the scan stops on the channel and the “SCAN” icon (flashing) will appear on the LCD display. If the signal is lost for five seconds 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 Channel 09 can be scanned only if entered as a MEM channel or in TRI-WATCH mode.To activate scan modes: 1. Press SCAN key once when no channels are stored in memory to activate the Normal scan function. The Scan icon will appear on the LCD display. or... 2. Press SCAN key once when there is at least one channel in memory to activate the Memory Scan function. The “M” (Memory Channel) and “SCAN” icons will appear on the LCD display. or... 3. Press and hold SCAN key for 3 seconds to enter Priority Scan mode. The Priority Scan “P” icon will appear on the LCD display just before the “SCAN” icon. 4. During any of the Scan modes, press the or (UP/DOWN) keys to change the scan direction. Up key to scan the channel upward, Down key to scan the channel downward. 5. Press and release SCAN key to terminate Scan mode. NOTE: During Scan mode, the WX/UIC, MEM, and DW/TRI Watch keys will not function and will sound an error beep if pressed.
Lowrance LHR-20/22 Operation Instructions 1311. Using the WATCH Modes This radio is equipped with two types of monitor modes: Dual Watch and Tri Watch. Dual Watch monitors the current working channel and Channel 16 alternately.To activate and terminate Dual Watch mode: 1. Press and release DW/TRI Watch key to activate the Dual Watch mode. The “DU” icon will appear on the LCD display. 2. Press and release DW/TRI Watch key again to terminate Dual Watch mode and return to the previous working channel. or...3. Press and hold DW/TRI Watch key for 3 seconds to terminate Dual Watch mode and enter into Tri Watch mode. The “TRI” icon will appear on the LCD display. NOTE: During Dual Watch mode, SCAN, MEM, WX/UIC, and or (UP/DOWN) keys are inactive and will sound an error beep if pressed. Tri Watch watches Channel 16, Channel 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 enter into Dual Watch mode. The “DU” icon will appear on the LCD display. NOTE: During Tri Watch mode, SCAN, MEM, WX/UIC and or (UP/DOWN) keys are inactive and will sound an error beep when pressed. 12. Selecting a WX (weather) channel1. Press and release the WX/UIC key to enter Weather mode. The “WX” icon will appear on the LCD. 2. Press the UP or DOWN keys to select a WX channel - see marine Channel charts at the back of this manual.3. Press and release the WX/UIC key again to return to normal operation. NOTE: During Weather mode, the PTT, H/L/LOCK, MEM and SCAN keys are inactive and an will sound error beep when pressed.
Lowrance LHR-20/22 Operation Instructions1413. Weather Alert OperationYour radio has the ability to watch the designated NOAA weather channel for storm alerts. To activate, select the Wx channel to monitor by short press the WX/UIC key and then UP or DOWN. Press and hold the WX/UIC key for 3 seconds. The “WX ALERT” icon appears. The radio now automatically watches for the NOAA weather warning broadcast.14. Selecting U.S./International/Canadian Band When operating in U.S. waters, your radio should be set for the U.S. band; when operating in Canadian waters, the radio should be set for the Canadian band; when operating in International waters, the radio should be set for the International band.To select a band:To select a band, press and hold the WX/UIC key for 3 seconds, then release. The LCD will display the “U”, “I” or “C” icon (for U.S., International, or Canadian). Continue to press and hold the WX/UIC key for 3 seconds, then release until the LCD shows the desired band.15. Resetting 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 international 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 off by rotating PWR/VOL knob to the OFF position. 2. Simultaneously press and hold both SCAN and WX/UIC keys. then... 3. Turn the radio on, continue to hold the SCAN and WX/UIC keys down for 3 seconds, then release both keys.MaintenanceTo keep your radio functioning properly, follow these simple maintenance rules: If your unit comes into contact with salt spray, simply wipe the affected surfaces with a soft cloth dampened in fresh water. When cleaning the LCD display protective lens, use a chamois and non-abrasive, mild cleaner. Do not use a chemical glass cleaner on the lens as chemicals in the solution may cause cracking in the lens. Take care when cleaning dirt or grease on the lens to avoid scratching the lens. Ensure the radio and battery are clean and dry after each use.
Lowrance LHR-20/22 Operation Instructions 15Technical SpecificationsChannels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . All U.S., Canadian and International Channels 10 NOAA Weather ChannelsChannels Frequency Method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Phase Lock LoopFrequency Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TX 156.025~157.425 MHz RX 156.300~163.275 MHzAntenna Impedance… . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 OhmPower Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7.4 VDC Operating Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -20°C to +55°CDimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (With 7.4V Battery Pack) 136 x 58 x 30.5mmWeight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (with out 7.4V Battery Pack) 230gBattery Pack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1300mAh Li-ionBattery Life: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .>8 Hours (5-watt Power 5%: 5%: 90% ratio) >10 Hours (1-watt Power 5%: 5%: 90% ratio)CAMO pattern (LHR-22 only) . . . . . . . . . . . . . . . . . . . . . . . REAL TREE ADVANTAGE MAX-4 HD TRANSMITTER Power Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 or 5 Watts (Selectable) Modulation Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . FMHum and Noise Attenuation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40dBAudio Distortion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5%Spurious Suppression . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.25μW RECEIVER Sensitivity at 12dB SINAD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.3μV Squelch Sensitivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Threshold –12dBμV(EMF) Adjacent Channel Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65dB Spurious Response Rejection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65dBIntermodulation Rejection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65dB Audio Power Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..250mW at 5% THD NOTE: The above specifications are typical, and may vary between models. Specifications are subject to change without notice.
Lowrance LHR-20/22 Operation Instructions16Frequency ChartsInternational Marine Channels CH TX RX MODE TRAFFIC TYPE SHIP SHIP REMARK (MHz) (MHz) TO TO SHIP SHORE 01 156.050 160.650 D Public Correspondence No Yes 02 156.100 160.700 D Public Correspondence No Yes 03 156.150 160.750 D Public Correspondence No Yes 04 156.200 160.800 D Port Operations No Yes 05 156.250 160.850 D Port Operations, Selected VTS Areas No Yes 06 156.300 156.300 S Inter-ship Safety Yes No 07 156.350 160.950 D Port Operations No Yes 08 156.400 156.400 S Commercial (inter-ship only) Yes No 09 156.450 156.450 S Recreational Calling Channel Yes Yes 10 156.500 156.500 S Commercial Yes Yes 11 156.550 156.550 S Commercial, VTS in Selected Areas Yes Yes 12 156.600 156.600 S Port Operations, Selected VTS Areas Yes Yes 13 156.650 156.650 S Inter-ship Navigation Safety (bridge-to bridge) 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 21 157.050 161.650 D Port Operations No Yes 22 157.100 161.700 D Port Operations No Yes 23 157.150 161.750 D Public Correspondence No Yes 24 157.200 161.800 D Public Correspondence No Yes 25 157.250 161.850 D Public Correspondence No Yes 26 157.300 161.900 D Public Correspondence No Yes 27 157.350 161.950 D Public Correspondence No Yes 28 157.400 162.000 D Public Correspondence No Yes 60 156.025 160.625 D Public Correspondence No Yes 61 156.075 160.675 D Port Operations No Yes 62 156.125 160.725 D Port Operations No Yes 63 156.175 160.775 D Port Operations No Yes 64 156.225 160.825 D Public Correspondence No Yes 65 156.275 160.875 D Port Operations No Yes
Lowrance LHR-20/22 Operation Instructions 17 66 156.325 160.925 D Port Operations No Yes 67 156.375 156.375 S Commercial, bridge-to-bridge Yes No 68 156.425 156.425 S Boat Operations, Recreational Yes No 69 156.475 156.475 S Port Operations Yes Yes 70 156.525 156.525 Digital Selective Calling - DSC ------ ------ 3 71 156.575 156.575 S Port Operations Yes Yes 72 156.625 156.625 S Inter-ship Yes No 73 156.675 156.675 S Port Operations Yes Yes 74 156.725 156.725 S Port Operations Yes Yes 75 156.775 156.775 S Port Operations 1 1W 76 156.825 156.825 S Port Operations 1 1W 77 156.875 156.875 S Inter-ship Yes No 78 156.925 161.525 D Non-Commercial No Yes 79 156.975 161.575 D Commercial 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 88 157.425 162.025 D Public Correspondence No Yes Special Notes on International Channel Usage1. LOW POWER (1W) only.2. LOW POWER (1W) initially. Override to HIGH POWER by holding down PTT, then holding down the H/L key. HI is indicated in the display. Used normally in bridge-to-bridge communications.3. Channel 70 is designated for use exclusively for Digital Selective Calling (DSC), such as Distress, Safety, and Ship Calls. No voice communication is allowed on CH70. This channel is only available on DSC enabled radios.4. The INTERNATIONAL mode is not legal for use in U.S. or Canada waters.KEY: S = Simplex operating channel; D = Duplex operating channel.
Lowrance LHR-20/22 Operation Instructions18USA Marine Channels CH TX RX MODE TRAFFIC TYPE SHIP SHIP REMARK (MHz) (MHz) TO TO SHIP SHORE 01A 156.050 156.050 S Port Operations, Selected VTS Areas Yes Yes 03A 156.150 156.150 S US Government, Coastguard Yes Yes 4 05A 156.250 156.250 S Port Operations, Selected VTS Areas Yes Yes 06 156.300 156.300 S Inter-ship Safety Yes No 07A 156.350 156.350 S Commercial Yes Yes 08 156.400 156.400 S Commercial (inter-ship only) Yes No 09 156.450 156.450 S Recreational Calling Channel Yes Yes 10 156.500 156.500 S Commercial Yes Yes 11 156.550 156.550 S Commercial, VTS in Selected Areas Yes Yes 12 156.600 156.600 S Port Operations, Selected VTS Areas Yes Yes 13 156.650 156.650 S Inter-ship Navigation Safety (bridge-to bridge), Yes No 3 1W 1W with Power-up 14 156.700 156.700 S Port Operations, Selected VTS Areas Yes Yes 15 --- 156.750 S Environmental ------ ------ 2 RX 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 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.S. Government, Coastguard Yes Yes 4 24 157.200 161.800 D Public Correspondence, Marine operator No Yes 25 157.250 161.850 D Public Correspondence, Marine operator No Yes 26 157.300 161.900 D Public Correspondence, Marine operator No Yes 27 157.350 161.950 D Public Correspondence, Marine operator No Yes 28 157.400 162.000 D Public Correspondence, Marine operator No Yes 61A 156.075 156.075 S U.S. Government, Canadian Coastguard Yes Yes 4 63A 156.175 156.175 S Port Operations, VTS in Selected Areas Yes Yes 64A 156.225 156.225 S U.S. Government, Canadian Commercial Fishing Yes Yes 4 65A 156.275 156.275 S Port Operations Yes Yes 66A 156.325 156.325 S Port Operations Yes Yes 67 156.375 156.375 S Commercial, bridge-to-bridge, 1W with Power-up Yes No 3 1W
Lowrance LHR-20/22 Operation Instructions 19Special Notes on USA Channel Usage1. LOW POWER (1 W) only.2. Receive Only.3. LOW POWER (1 W) initially. Override to HIGH POWER by holding down PTT, then holding down the H/L key. HI is indicated in the display. Used normally in bridge-to-bridge communications.4. Lightly shaded simplex channels 03A, 21A, 23A, 61A, 64A, 81A, 82A, and 83A cannot be lawfully used in U.S. waters unless special authorization is obtained from the U.S. Coastguard. Not for use by the general public.5. The letter “A” illuminated by the channel number indicates the USA channel is simplex. This same channel is always duplex when selecting International. There is no “A” reference for International channels. The letter “B” is only used for some Canadian “Receive only” channels.6. Channel 70 is designated for use exclusively for Digital Selective Calling (DSC), such as Distress, Safety, and Ship Calls. No voice communication is allowed on CH70. This channel is only available on DSC enabled radios.KEY: S = Simplex operating channel; D = Duplex operating channel. 68 156.425 156.425 S Boat Operations, Recreational Yes No 69 156.475 156.475 S Boat Operations, Recreational Yes Yes 70 156.525 156.525 Digital Selective Calling - DSC ------ ------ 6 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 156.975 156.975 S Commercial Yes Yes 80A 157.025 157.025 S Commercial Yes Yes 81A 157.075 157.075 S U.S. Government, Environmental Protection Yes Yes 4 Agency Operations 82A 157.125 157.125 S U.S. Government, Canadian Coastguard Yes Yes 4 83A 157.175 157.175 S U.S. Government, Canadian Coastguard Yes Yes 4 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 88A 157.425 157.425 S Commercial, Inter-ship Only Yes No
Lowrance LHR-20/22 Operation Instructions20Canadian Marine ChannelsCH TX RX MODE TRAFFIC TYPE SHIP SHIP REMARK (MHz) (MHz) TO TO SHIP SHORE 01 156.050 160.650 D Public Correspondence No Yes 02 156.100 160.700 D Public Correspondence No Yes 03 156.150 160.750 D Public Correspondence No Yes 04A 156.200 156.200 S Canadian Coastguard, SAR Yes Yes 05A 156.250 156.250 S Port Operations, VTS in Selected Areas Yes Yes 06 156.300 156.300 S Inter-ship Safety Yes No 07A 156.350 156.350 S Commercial Yes Yes 08 156.400 156.400 S Commercial (inter-ship only) Yes No 09 156.450 156.450 S Recreational Calling Channel Yes Yes 10 156.500 156.500 S Commercial Yes Yes 11 156.550 156.550 S Commercial, VTS in Selected Areas Yes Yes 12 156.600 156.600 S Port Operations, VTS in Selected Areas Yes Yes 13 156.650 156.650 S Inter-ship Navigation Safety (bridge-to bridge) Yes No 3 1W 1W with power-up 14 156.700 156.700 S Port Operations, VTS in Selected Areas Yes Yes 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. Government, Canadian Coastguard Yes Yes 21B --- 161.650 S Port Operations ------ ------ RX only 22A 157.100 157.100 S Canadian Coastguard Liaison Yes Yes 23 157.150 161.750 D Public Correspondence No Yes 24 157.200 161.800 D Public Correspondence No Yes 25 157.250 161.850 D Public Correspondence No Yes 25B --- 161.850 S Public Correspondence ------ ------ RX only 26 157.300 161.900 D Public Correspondence No Yes 27 157.350 161.950 D Public Correspondence No Yes 28 157.400 162.000 D Public Correspondence No Yes 28B --- 162.000 S Public Correspondence ------ ------ RX only 60 156.025 160.625 D Public Correspondence No Yes
Lowrance LHR-20/22 Operation Instructions 21 61A 156.075 156.075 S U.S. Government, Canadian Coastguard Yes Yes 4 62A 156.125 156.125 S Canadian Coastguard Yes Yes 64 156.225 160.825 D Public Correspondence, Duplex No Yes 64A 156.225 156.225 S U.S. Government, Canadian Commercial Fishing Yes Yes 4 65A 156.275 156.275 S Port Operations Yes Yes 66A 156.325 156.325 S Port Operations Yes Yes 1 1W only 67 156.375 156.375 S Commercial, SAR Yes No 68 156.425 156.425 S Boat Operations, Recreational Yes No 69 156.475 156.475 S Commercial Fishing Only Yes Yes 70 156.525 156.525 Digital Selective Calling - DSC ------ ------ 6 71 156.575 156.575 S Boat Operations, Recreational Yes Yes 72 156.625 156.625 S Inter-ship Yes No 73 156.675 156.675 S Commercial Fishing Only Yes Yes 74 156.725 156.725 S Commercial Fishing Only 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 156.975 156.975 S Commercial Yes Yes 80A 157.025 157.025 S Commercial Yes Yes 81A 157.075 157.075 S U.S. Government Operations Yes Yes 4 82A 157.125 157.125 S U.S. Government, Canadian Coastguard Yes Yes 4 83 157.175 161.775 D Canadian Coastguard Yes Yes 83A 157.175 157.175 S U.S. Government, Canadian Coastguard Yes Yes 4 83B --- 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 Channel Usage1. LOW POWER (1 W) only.2. Receive Only.3. LOW POWER (1 W) initially. Override to HIGH POWER by holding down PTT, then holding down the H/L key. HI is indicated in the display. Used normally in bridge-to-bridge communications.4. Lightly shaded simplex channels 21A, 23A, 61A, 64A, 81A, 82A, and 83A cannot be lawfully used in Canada waters unless special authorization is obtained from the Canadian Coastguard. Not for use by the general public.
Lowrance LHR-20/22 Operation Instructions225. The letter “A” illuminated by the channel number indicates the Canada channel is simplex. This same channel is always duplex when selecting International. There is no “A” reference for International channels. The letter “B” is only used for some Canadian “Receive only” channels.6. Channel 70 is designated for use exclusively for Digital Selective Calling (DSC), such as Distress, Safety, and Ship Calls. No voice communication is allowed on CH70. This channel is only available on DSC enabled radios.7. The CANADA mode is not legal to use in U.S. waters.KEY: S = Simplex operating channel; D = Duplex operating channel.WEATHER ChannelsCH RX TRAFFIC TYPE NAME REMARK (MHz) WX01 162.550 NOAA Weather Channel NOAA WX RX onlyWX02 162.400 NOAA Weather Channel NOAA WX RX onlyWX03 162.475 NOAA Weather Channel NOAA WX RX onlyWX04 162.425 NOAA Weather Channel NOAA WX RX onlyWX05 162.450 NOAA Weather Channel NOAA WX RX onlyWX06 162.500 NOAA Weather Channel NOAA WX RX onlyWX07 162.525 NOAA Weather Channel NOAA WX RX onlyWX08 161.650 CANADIAN Weather Channel CANADA WX RX onlyWX09 161.775 CANADIAN Weather Channel CANADA WX RX onlyWX10 163.275 NOAA Weather Channel NOAA WX RX only
Lowrance LHR-20/22 Operation Instructions 23We recommend you record your radio’s serial number here. This number is on the radio rear panel, underneath the battery pack:Serial Number:Date Purchased:FCC ComplianceNote:This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference 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 the equipment into an outlet on a circuit different from that to which the receiver is connected.• Consult the factory customer service department for help.Marine VHF Radio use on Land:You should consider acquiring a special license, called a marine utility station license, to operate a hand-held marine radio from land -- a ship station license IS NOT sufficient. You may apply for this license by filing FCC Form 601 with the FCC. Refer to the FCC web site (http://www.fcc.gov/ ) for further details and qualifications.
Lowrance LHR-20/22 Operation Instructions24NAVICOFULL TWO-YEAR LOWRANCE VHF WARRANTY“We,” “our,” or “us” refers to NAVICO, the manufacturer of this LOWRANCE VHF product. “You” or “your” refers to the first person who purchases this product as a consumer item for personal, family or household use.We warrant this product against defects or malfunctions in materials and workmanship, and against failure to conform to this product’s written specifications, all for two (2) years from the date of original purchase by you. Battery Packs and accessory items have a one (1) year warranty. WE MAKE NO OTHER EXPRESS WARRANTY OR REPRESENTATION OF ANY KIND WHATSOEVER CONCERNING THIS PRODUCT. Your remedies under this warranty will be available so long as you can show in a reasonable manner that any defect or malfunction in materials or workmanship, or any non-conformity with the product’s written specifications, occurred within two years from the date of your original purchase, which must be substantiated by a dated sales receipt or sales slip. Any such defect, malfunction, or non-conformity which occurs within two years from your original purchase date will either be repaired without charge or be replaced with a new product identical or reasonably equivalent to this product, at our option, within a reasonable time after our receipt of the product. If such defect, malfunction, or non-conformity remains after a reasonable number of attempts to repair by us, you may elect to obtain without charge a replacement of the product 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 OF ANY KIND.Some states do not allow the exclusion or limitation of incidental or consequential damages, so the above limitations or exclusions may not apply to you.This warranty does NOT apply in the following circumstances: (1) when the product has been serviced or repaired by anyone other than us; (2) when the product has been connected, installed, combined, altered, adjusted, or handled in a manner other than according to the instructions furnished with the product; (3) when any serial number has been effaced, altered, or removed; or (4) when any defect, problem, loss, or damage has resulted from any accident, misuse, negligence, or carelessness, or from any failure to provide reasonable and necessary maintenance in accordance with the instructions of the owner’s manual for the product.We reserve the right to make changes or improvements in our products from time to time without incurring the obligation to install such improvements or changes on equipment or items previously manufactured.This warranty gives you specific legal rights and you may also have other rights which may vary from state to state.REMINDER: You must retain the sales slip or sales receipt proving the date of your original purchase in case warranty service is ever required.NAVICO12000 E. SKELLY DRIVE, TULSA, OK 74128(800) 324-1356
Lowrance LHR-20/22 Operation Instructions 25… in the USA:We back your investment in quality products with quick, expert service and genuine Lowrance replacement parts. If you’re in the United States 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 problem over the phone without sending your product to the factory. To call us, use the following toll-free number:800-324-13548 a.m. to 5 p.m. Central Standard Time, M-FLowrance Electronics may find it necessary to change or end 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 problem over the phone without sending your product to the factory. To call us, use the following toll-free number:800-661-3983905-629-1614 (not toll-free)8 a.m. to 5 p.m. Eastern Standard Time, M-F…outside Canada and the USA:If you have technical, return or repair questions, contact the dealer in the country where you purchased your unit. To locate an Lowrance dealer near you, visit our web site or consult your telephone directory for listings.www.lowrance.com How to Obtain Service . . .
Lowrance LHR-20/22 Operation Instructions26Accessory Ordering Information for all countriesTo order Lowrance accessories such as power cables or transducers, please contact:1) Your local marine dealer or consumer electronics store. Most quality dealers that handle marine electronic equipment or other consumer electronics should be able to assist you with these items. To locate an Lowrance dealer near you visit our web site or consult your telephone directory for listings.2) U.S. customers: LEI Extras Inc., PO Box 129, Catoosa, OK 74015-0129 Call 1-800-324-0045 or visit our web site www.lei-extras.com.3) Canadian customers can write: Lowrance/Eagle Canada, 919 Matheson Blvd. E. Mississauga, Ontario L4W2R7 or fax 905-629-3118.Shipping InformationIf it becomes necessary to send a product for 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 testing, include a brief note with the product describing the problem. Be sure to include your name, return shipping address and a day time telephone number. An e-mail address is optional but useful.4. Pack the unit in a suitable size box with packing material to prevent any damage during shipping.5. Write the Return Authorization (RA) number on the outside of the box underneath your return address.6. For your security, you may want to insure the package through your shipping courier. Lowrance does not assume responsibility for goods lost or damaged in transit.
Notes:
Lowrance Pub. 988-0158-091Printed in China - 100107Copyright © 2007All Rights ReservedNavicoMN000798A-G

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