Lowrance electronic LHR-20 manual Selecting High/Low Power, Locking the Keypad

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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.

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-20/22Operation Instructions

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Contents LHR-20/22 Please read carefully before installation and use Important Safety InformationContents Introduction Your radio has the following featuresYour radio comes with a multifunctional display Safety and Operational InformationDisplay Scan Key Function and Location of the ControlsAntenna UP KeyInstall the Li-ion polymer battery pack onto the radio Before Using your RadioCharging and Installing the Li-ion Polymer Battery Pack Installing the antenna Installing the AntennaTo turn on the radio Using Your RadioInstalling the Belt Clip Turning the Power On/OffSelecting Channels Adjusting SquelchAccessing the 16/9 Priority Channels Transmitting and ReceivingAdding/Deleting Channels to/from Memory Selecting High/Low PowerLocking the Keypad Your radio comes with three scan options Accessing Channels Saved to MemoryTo access saved channels ScanningSelecting a WX weather channel Using the Watch ModesTo activate and terminate Dual Watch mode To activate and terminate Tri Watch modeSelecting U.S./International/Canadian Band MaintenanceResetting the Radio Weather Alert OperationBattery Pack 1600mAh Li-ion Battery Life Technical SpecificationsInternational Marine Channels Frequency ChartsSpecial Notes on International Channel Usage LOW Power 1W onlyUSA Marine Channels Special Notes on USA Channel Usage Canadian Marine Channels Inter-ship Yes Special Notes on Canada Channel UsageCommercial, SAR Yes Commercial Fishing Only YesCanadian Weather Channel Weather ChannelsNoaa Weather Channel Marine VHF Radio use on Land FCC Compliance12000 E. Skelly DRIVE, TULSA, OK 800 NavicoNot toll-free M. to 5 p.m. Eastern Standard Time, M-F M. to 5 p.m. Central Standard Time, M-FAccessory Ordering Information for all countries Page Lowrance Pub Copyright