Pub. 988-0158-091 www.lowrance.
Copyright © 2007 Navico All rights reserved. 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.
Table of Contents Introduction .............................................................................................................................................4 Safety and Operational Information .........................................................................................................5 Display .....................................................................................................................................................
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.
! WARNING DANGER Safety and Operational Information CAUTION Your 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. ! WARNING Never leave your radio in a closed car or trunk; the extremely high temperatures generated in hot weather can damage the electronics. Display Your radio comes with a multifunctional display.
Function and Location of the Controls SQL (squelch) Knob Antenna PWR/VOL Knob Transmitting LED PTT (Push To Talk) Key Speaker Microphone LCD Display UP Key MEM (Memory) Key SCAN Key Channel 16/9 Key DW/TRI Watch Key H/L/LOCK Key WX/UIC Key DOWN Key 6 Lowrance LHR-20/22 Operation Instructions
Before Using your Radio Before 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.
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. ! CAUTION ! WARNING DANGER CAUTION Remember to remove the radio after about 3-4 hours of charging time on the charger to maximize battery life.
3. 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.
2. 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. the top of the radio. Squelch is controlled by SQL knob located! on CAUTION To set Squelch: WARNING 1. Turn SQL knob fully counter-clockwise.! You will hear a lot of static noise. 2.
To 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.
9. 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.
11. 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.
13. Weather Alert Operation Your 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.
Technical Specifications Channels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . All U.S., Canadian and International Channels 10 NOAA Weather Channels Channels Frequency Method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Phase Lock Loop Frequency Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TX 156.025~157.425 MHz RX 156.300~163.275 MHz Antenna Impedance… . . . . . . . . . . . . . . . . . . . . . . . . .
Frequency Charts International Marine Channels 16 CH TX (MHz) RX (MHz) MODE 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 60 61 62 63 64 65 156.050 156.100 156.150 156.200 156.250 156.300 156.350 156.400 156.450 156.500 156.550 156.600 156.650 156.700 156.750 156.800 156.850 156.900 156.950 157.000 157.050 157.100 157.150 157.200 157.250 157.300 157.350 157.400 156.025 156.075 156.125 156.175 156.225 156.275 160.650 160.700 160.750 160.800 160.850 156.300 160.
66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 156.325 156.375 156.425 156.475 156.525 156.575 156.625 156.675 156.725 156.775 156.825 156.875 156.925 156.975 157.025 157.075 157.125 157.175 157.225 157.275 157.325 157.375 157.425 160.925 156.375 156.425 156.475 156.525 156.575 156.625 156.675 156.725 156.775 156.825 156.875 161.525 161.575 161.625 161.675 161.725 161.775 161.825 161.875 161.925 161.975 162.
USA Marine Channels CH TX (MHz) RX (MHz) MODE 01A 03A 05A 06 07A 08 09 10 11 12 13 156.050 156.150 156.250 156.300 156.350 156.400 156.450 156.500 156.550 156.600 156.650 156.050 156.150 156.250 156.300 156.350 156.400 156.450 156.500 156.550 156.600 156.650 S S S S S S S S S S S 14 15 16 17 18A 19A 20 20A 21A 22A 23A 24 25 26 27 28 61A 63A 64A 65A 66A 67 156.700 --156.800 156.850 156.900 156.950 157.000 157.000 157.050 157.100 157.150 157.200 157.250 157.300 157.350 157.400 156.075 156.175 156.
68 69 70 71 72 73 74 77 78A 79A 80A 81A 156.425 156.475 156.525 156.575 156.625 156.675 156.725 156.875 156.925 156.975 157.025 157.075 156.425 156.475 156.525 156.575 156.625 156.675 156.725 156.875 156.925 156.975 157.025 157.075 S S S S S S S S S S S 82A 83A 84 85 86 87 88 88A 157.125 157.175 157.225 157.275 157.325 157.375 157.425 157.425 157.125 157.175 161.825 161.875 161.925 161.975 162.025 157.
Canadian Marine Channels CH 20 TX (MHz) RX (MHz) MODE 01 02 03 04A 05A 06 07A 08 09 10 11 12 13 156.050 156.100 156.150 156.200 156.250 156.300 156.350 156.400 156.450 156.500 156.550 156.600 156.650 160.650 160.700 160.750 156.200 156.250 156.300 156.350 156.400 156.450 156.500 156.550 156.600 156.650 D D D S S S S S S S S S S 14 15 16 17 18A 19A 20 21 21A 21B 22A 23 24 25 25B 26 27 28 28B 60 156.700 156.750 156.800 156.850 156.900 156.950 157.000 157.050 157.050 --157.100 157.150 157.200 157.
61A 62A 64 64A 65A 66A 67 68 69 70 71 72 73 74 77 78A 79A 80A 81A 82A 83 83A 83B 84 85 86 87 88 156.075 156.125 156.225 156.225 156.275 156.325 156.375 156.425 156.475 156.525 156.575 156.625 156.675 156.725 156.875 156.925 156.975 157.025 157.075 157.125 157.175 157.175 --157.225 157.275 157.325 157.375 157.425 156.075 156.125 160.825 156.225 156.275 156.325 156.375 156.425 156.475 156.525 156.575 156.625 156.675 156.725 156.875 156.925 156.975 157.025 157.075 157.125 161.775 157.175 161.775 161.825 161.
. 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 .
FCC Compliance Note: 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.
NAVICO FULL 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.
How to Obtain Service . . . … 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.
Accessory Ordering Information for all countries To 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.
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