1.Press 
until the R appears. The current setting ON/OFF will flash.
2.Press 
or 
to select ON or OFF.
3.Press 
to save the setting or 
to continue set up.
After enabling the repeater channels, you will be able to select channels
Selecting the Repeater Access (TX) Code
When a repeater channel is selected, an additional menu option is available for setting the transmitted Interference Eliminator Code. Many repeaters will require a specific value setting to activate the repeater on your transmissions. See the table “Interference Eliminator Tone / Code Values” for detailed information.
1. Press 
repeatedly until the , the R, and the current setting flash.
2.Press 
or 
to select the code.
3.Press 
or 
to exit menu mode.
You can set a different code for each channel using this procedure. An extended press of 
or 
allows you to scroll through the Interference Code rapidly so you can quickly reach the code you want. 0 is the off position.
Special Features
Built-in Flashlight
Press and hold the flashlight button to turn and keep the light on. The switch functions as a momentary control for the light.
Note: Turn off the flashlight when not in use to conserve battery power.
Keypad Lock
To avoid accidentally changing the radio settings, a keypad lock feature may be enabled. When in lock mode, you can only turn the radio OFF, Receive, Transmit, send a call tone, and use the monitor function. All other functions are locked.
1. | Press and hold | until | icon displays. | |
2. | To unlock the radio, press and hold | until the icon is no | ||
| longer displayed. |
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Scanning Channels
Use scan to search the 22 channels for transmissions from unknown parties, to find someone in your group who has accidentally changed channels, or to quickly find unused channels for your own use.
There is a priority feature and 2 modes of scanning (basic and advanced) to make your search more effective. The basic scan mode uses the channel and code combinations for each of the 22 channels as you have set them (or with the default code value of 1). The “Advanced Scan” mode will scan all channels for any and all codes, detect any code in use, and use that code value temporarily for that channel.
Priority is given to the “home channel,” that is, the channel (and Interference Eliminator Code) the radio is set to when you start the scan. This means the initial channel (and code setting) is scanned more often than the other 21 channels, and the radio will respond quickly to any activity occurring on the home channel as a priority.
To start Scanning:
1. Briefly press the 
key. The scan will appear in the display, and the radio will begin to scroll through the channel and code combinations.
2.When the radio detects channel activity matching the channel and code combination, it stops scrolling and you can hear the transmission.
3.To respond and talk to the person transmitting, press 
within five seconds after the end of the transmission.
4.The radio will resume scrolling through the channels five seconds after the end of any received activity.
5.To stop scanning, briefly press the 
key.
To start Advanced Scanning:
1. Set the Interference Eliminator Code to “zero” or OFF.
2. Briefly press the 
key. The scan will appear in the display, and the radio will begin to scroll through the channels. No Interference Eliminator Codes will filter what is heard.
3.When the radio detects channel activity with ANY code (or NO code), it stops scrolling and you can hear the transmission. Any Interference Eliminator Code that may be in use by that party will be detected and displayed.
4.To respond and talk to the person transmitting, press 
within five seconds of the end of the transmission. The radio will transmit using the newly detected Interference Eliminator Code.
5.The radio will resume scrolling through the channels five seconds after the end of any received activity.
6. To stop scanning, briefly press the 
key.
Scanning Notes:
1.If you press 
while the radio is scrolling through inactive channels, the transmission will be on the “home channel”.
Scanning will resume five seconds after the end of your transmission. You may press the 
key to stop scanning at any time.
2.If the radio stops on an undesired transmission, you may immediately resume the scan by briefly pressing 
or 
.
3.If the radio repeatedly stops on an undesired transmission,
you may temporarily remove that channel from the scan list by pressing and holding 
or 
for three seconds. You may remove more than one channel in this way.
4.To restore the removed channel(s) to the scan list, turn the
radio off and then back on, or exit and 
.
5.You cannot remove the home channel from the scan list.
6.In Advanced Scan, the detected code will only be used for one transmission. You must note the code, exit scan, and set that detected code on that channel to permanently use the detected code.
Weather Receiver
This radio can tune in to broadcasts by the United States National Oceanic and Atmospheric Administration (NOAA) Weather Radio. You can listen to a weather channel (see “Weather Channels and Frequencies” table for details) or set the radio to alert you to emergency weather broadcasts that interrupt routine broadcasts. When you listen to a weather channel, you cannot use the radio in scan mode or for
NOAA has transmitters located throughout the United States. These transmitters broadcast watches, forecasts, and other information 24 hours a day.
Note: NOAA weather radio stations are assigned to cover specific areas and service may be limited. Please check with your local weather office for frequency and details, or visit www.weather.gov/nwr in the US to view the appropriate transmitter for your area.
The use of the NOAA logo does not provide an endorsement or implied endorsement by NOAA’s National Weather Service.
Turning Weather Channel Reception On and Off
1.To turn weather reception on, press and hold 
for 3 seconds.
2.To turn off, press 
or turn the radio off and then back on.
Scanning for Weather Channel
The radio can scan for an active NOAA transmission automatically. 1. After turning weather reception on, briefly press the 
key.
2. The scan icon will appear in the display, and the channel will scroll through the NOAA channels
3.When the radio detects channel activity, it stops scanning and you can hear the transmission.
4.You may resume the scan by briefly pressing 
or 
.
5.To stop scanning, briefly press the 
key. The scan
icon | will disappear. |
Setting the Weather Channel Manually
If you know which frequency is correct for your location, refer to the "Weather Channels and Frequencies" table to manually set your radio to the appropriate weather channel.
1.After turning weather reception on, press 
. The current channel flashes.
2.Press 
or 
to select the appropriate channel with good reception in your area.
3.Press 
to save the weather channel setting.
Setting the Weather Alert
The radio can be set to respond to NOAA Weather Radio emergency messages. A special alarm tone sounds an alert and turns on the weather receiver to give you immediate weather and emergency information.
1.After turning weather reception on, press 
twice. ON or OFF flashes.
2.Press 
or 
to select ON to activate. If you activate the
Weather Alert and return to | will display. |
3.Press 
to save the Weather Alert setting.
4.Press 
to return to
4
FRS / GMRS SIMPLEX CHANNELS AND FREQUENCIES
CHANNEL | FREQ (MHz) | TYPE | CHANNEL | FREQ (MHz) | TYPE |
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1 | 462.5625 | GMRS/FRS | 12 | 467.6625 | FRS |
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2 | 462.5875 | GMRS/FRS | 13 | 467.6875 | FRS |
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3 | 462.6125 | GMRS/FRS | 14 | 467.7125 | FRS |
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4 | 462.6375 | GMRS/FRS | 15 | 462.5500 | GMRS |
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5 | 462.6625 | GMRS/FRS | 16 | 462.5750 | GMRS |
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6 | 462.6875 | GMRS/FRS | 17 | 462.6000 | GMRS |
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7 | 462.7125 | GMRS/FRS | 18 | 462.6250 | GMRS |
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8 | 467.5625 | FRS | 19 | 462.6500 | GMRS |
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9 | 467.5875 | FRS | 20 | 462.6750 | GMRS |
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10 | 467.6125 | FRS | 21 | 462.7000 | GMRS |
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11 | 467.6375 | FRS | 22 | 462.7250 | GMRS |
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GMRS DUPLEX REPEATER CHANNEL FREQUENCIES
CHANNEL | RX (MHz) | TX (MHz) | CHANNEL | RX (MHz) | TX (MHz) |
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15R | 462.5500 | 467.5500 | 19R | 462.6500 | 467.6500 |
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16R | 462.5750 | 467.5750 | 20R | 462.6750 | 467.6750 |
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17R | 462.6000 | 467.6000 | 21R | 462.7000 | 467.7000 |
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18R | 462.6250 | 467.6250 | 22R | 462.7250 | 467.7250 |
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WEATHER CHANNELS AND FREQUENCIES
| CHANNEL |
| RX (MHz) | CHANNEL |
| RX (MHz) | CHANNEL | RX (MHz) |
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| WX1 | 162.550 | WX5 | 162.450 | WX9 | 161.775 | ||
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| WX2 | 162.400 | WX6 | 162.500 | WX10 | 161.750 | ||
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| WX3 | 162.475 | WX7 | 162.525 | WX11 | 162.000 | ||
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| WX4 | 162.425 | WX8 | 161.650 |
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| INTERFERENCE ELIMINATOR TONE / CODE VALUES | |||||||
| CODE |
| (Hz) | CODE |
| (OCTAL) | CODE | (OCTAL) |
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| 1 |
| 67.0 | 39 |
| 023 | 81 | 315 |
| 2 |
| 71.9 | 40 |
| 025 | 82 | 331 |
| 3 |
| 74.4 | 41 |
| 026 | 83 | 343 |
| 4 |
| 77.0 | 42 |
| 031 | 84 | 346 |
| 5 |
| 79.7 | 43 |
| 032 | 85 | 351 |
| 6 |
| 82.5 | 44 |
| 043 | 86 | 364 |
| 7 |
| 85.4 | 45 |
| 047 | 87 | 365 |
| 8 |
| 88.5 | 46 |
| 051 | 88 | 371 |
| 9 |
| 91.5 | 47 |
| 054 | 89 | 411 |
| 10 |
| 94.8 | 48 |
| 065 | 90 | 412 |
| 11 |
| 97.4 | 49 |
| 071 | 91 | 413 |
| 12 |
| 100.0 | 50 |
| 072 | 92 | 423 |
| 13 |
| 103.5 | 51 |
| 073 | 93 | 431 |
| 14 |
| 107.2 | 52 |
| 074 | 94 | 432 |
| 15 |
| 110.9 | 53 |
| 114 | 95 | 445 |
| 16 |
| 114.8 | 54 |
| 115 | 96 | 464 |
| 17 |
| 118.8 | 55 |
| 116 | 97 | 465 |
| 18 |
| 123.0 | 56 |
| 125 | 98 | 466 |
| 19 |
| 127.3 | 57 |
| 131 | 99 | 503 |
| 20 |
| 131.8 | 58 |
| 132 | 100 | 506 |
| 21 |
| 136.5 | 59 |
| 134 | 101 | 516 |
| 22 |
| 141.3 | 60 |
| 143 | 102 | 532 |
| 23 |
| 146.2 | 61 |
| 152 | 103 | 546 |
| 24 |
| 151.4 | 62 |
| 155 | 104 | 565 |
| 25 |
| 156.7 | 63 |
| 156 | 105 | 606 |
| 26 |
| 162.2 | 64 |
| 162 | 106 | 612 |
| 27 |
| 167.9 | 65 |
| 165 | 107 | 624 |
| 28 |
| 173.8 | 66 |
| 172 | 108 | 627 |
| 29 |
| 179.9 | 67 |
| 174 | 109 | 631 |
| 30 |
| 186.2 | 68 |
| 205 | 110 | 632 |
| 31 |
| 192.8 | 69 |
| 223 | 111 | 654 |
| 32 |
| 203.5 | 70 |
| 226 | 112 | 662 |
| 33 |
| 210.7 | 71 |
| 243 | 113 | 664 |
| 34 |
| 218.1 | 72 |
| 244 | 114 | 703 |
| 35 |
| 225.7 | 73 |
| 245 | 115 | 712 |
| 36 |
| 233.6 | 74 |
| 251 | 116 | 723 |
| 37 |
| 241.8 | 75 |
| 261 | 117 | 731 |
| 38 |
| 250.3 | 76 |
| 263 | 118 | 732 |
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| 77 |
| 265 | 119 | 734 |
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| 78 |
| 271 | 120 | 743 |
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| 79 |
| 306 | 121 | 754 |
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| 80 |
| 311 |
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MS350 Series
