Uniden 270 Changing the Channel, Making a Transmission, Boosting the transmission power

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key. The screen displays SQL and a SQUELCH level number (0 - 3). Use the Channel Up and Channel Down keys to adjust the squelch level. Press and hold the VOL SQL key again to set the squelch level and return to the main display.

## Note: Setting the squelch level too high may prevent you from hearing weaker transmissions. If you are having difficulty hearing a transmission, try setting the squelch level lower.

Changing the Channel

Press the Channel Up and Channel Down keys briefly to scroll through the channels one channel at a time. Press and hold the Channel Up or Channel Down key to quickly scroll through the channels.

Making a Transmission

Select the channel you want to transmit on, then press and hold the Push to Talk key. Release the Push to Talk key when you’re finished talking to let the other party respond.

xx To prevent stuck microphone problems or situations where the Push to Talk key is pushed accidentally, the radio limits your talk time to 5 minutes in a single transmission.

xx For the best sound quality, hold the microphone about two inches away from your mouth.

xx See the channel lists starting on page E-23 for a list of receive-only channels.

Boosting the transmission power

In most situations, the 1 Watt transmission power is all you need. If you find yourself far away from other stations and have trouble getting a response, you may need to boost the transmission power from 1 Watt to 2.5 Watts or 6 Watts:

1.Select the channel you want to transmit on.

2.Press the L/M/H MEM key to switch to the next transmission power level (for example, from 6 Watt to

Uniden Atlantis 270 Radio Owner’s Manual

E-15

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Contents Atlantis Speak slowly clearly calmly Making a Distress CallParlez lentement clairement calmement Faire un appel de détresseTable of Contents Introduction FeaturesXx Memory scan mode Xx Transmitter power level selectWaterproof Specifications What’s included Getting StartedFront view Parts of the AtlantisBack view Key Press to Press and hold to ChargerDisplay icons and what they mean Reading the displayHow It Works Icon What it means Displays when Squelch mode is turned onMode What it does Use it when you To turn it on Want to Off Watch mode What it does To turn it on/offNormal mode with Weather Alert Watch Normal mode operationNormal mode with Triple Watch or Dual Watch Scan mode operation08 10 11 12 Using the radio in scan modeScan mode with Weather Alert Watch Scan mode with Triple Watch or Dual WatchUsing the radio in weather mode Weather modeWeather mode with Weather Alert Watch Install the Battery Pack Setting Up the HardwareWeather mode with Triple Watch or Dual Watch Important notes on charging the battery Charging the BatteryMounting the Charger Setting the Squelch Level Using Your RadioInstalling and Removing the Belt Clip Changing the VolumeChanging the Channel Boosting the transmission powerMaking a Transmission Setting the UIC Channel Mode Setting Key LockTurning the Key Beep On and Off Scanning Channels in Memory Maintenance and TroubleshootingBattery Save Feature Saving a Channel to MemoryDon’t use the charger when Transmitter GeneralUS Marine Channels RX Freq TX Freq Status Name Channels and Frequencies MHzUS channel frequencies and names ReceiverUS Marine Channels RX Freq TX Freq Status Name Canadian Marine Channels RX Freq TX Freq Status Name Canadian channel frequencies and namesCanadian Marine Channels RX Freq TX Freq Status Name International Marine Channels RX Freq TX Freq Status Name International channel frequencies and namesInternational Marine Channels RX Freq TX Freq Status Name Channel Weather channel frequencies and namesMaritime Radio Services Operation Basic Radio Guidelines Regulations and Safety WarningsFCC/Industry Canada Information Body-Worn Operation Lithium Ion Battery Warning Three Year Limited Warranty Page QUESTIONS?