Uniden ATLANTIS 270 English Owner's Manual - Page 19

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