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R300 series 

To set a call tone: 
1.  With the radio on, briefly press 

 until 

 appears. The 

current call tone setting flashes. 

2.  Press 

 or 

 to change and hear the call tone. 

3.  Press 

 or   to set the new call tone or   to continue set up. 

To transmit your call tone to other radios set to the same 
channel as the radio, press 

Note: 

Setting the call to 0 disables the call tone feature.

Hands-Free Use Without Accessories (

)

You can use the iVOX feature to transmit hands-free without 
the need for any headset accessories. Once iVOX is turned on, 
the radio detects your voice and transmits when you speak into 
the internal microphone.

1.  Press 

 until 

 appears on the display. The current 

setting On/Off will flash.

2.  Press 

 or 

 to select On or Off.

3.  Press 

 or 

 to set or 

 to continue set up.

Hands-Free Use With Accessories (

)

You can transmit hands-free more reliably with the use of 
optional headset accessories. Once VOX is turned on, the radio 
detects your voice and transmits when you speak.
1.  Turn the radio off and plug the

 

 

accessory into the 

accessory port.

2.  Turn the radio on. 

 

will show on the display.

3.  Adjust the volume appropriately by pressing 

 or 

 . 

Lower the volume before placing the accessory on your 
head or in your ear.

4.  To turn off, simply remove accessory.

Notes:

 

•   There is a short delay between the time you start talking and 

when the radio transmits. There is a short delay before the 
transmission is completed.

•   The accessory port cover must be tightly in place to 

maintain the water tight seal of the radio.

Setting the Sensitivity Level When in VOX or iVOX Mode

Adjusting the radio’s sensitivity level helps minimize the 
possibility of unintended noises triggering a transmission and 
helps the radio pick up soft voices.

1.  Press 

 until

 VOX or iVOX 

and the level setting (1 - 3) appear 

on the display.

2.  Press 

 or 

 to select the sensitivity level.

3.  Press 

 or 

 to set or 

 to continue set up.

3 = High Sensitivity

 for quiet environments

2 = Medium Sensitivity

 for most environments

1 = Low Sensitivity

 for noisy environments

Note:

 When you connect a headset, the radio is automatically 

set to the last chosen sensitivity level.

Extended Battery Save Mode

This feature puts the radio into a low power “sleep” mode for 
cycle periods of 1, 2, or 3 seconds. The radio will briefly check 
for any channel activity after each sleep cycle. The sleep cycle 
repeats until a key is pressed or a call is received.
1.  Signals received during the sleep period will not be heard 

until after the timer period expires. The first 1-3 seconds of 
speech can be missed. Do not use (battery save) 1, 2, or 3 
settings when immediate response may be required.

2.  SCAN, VOX, and iVOX modes are not available with 

extended battery save modes. Using SCAN, VOX, or 
enabling iVOX will necessarily disable the extended sleep 
cycle battery settings.

3.  Maximum battery life savings may be achieved only when 

usage is primarily in standby mode and very little TX or RX 
(talking or listening) use occurs. When RX or TX are often 
used, little or no battery life extension will occur.

Vibrate

Vibrate is a vibrating alert that notifies that the radio is 
receiving a message. This is useful in noisy environments. 
When the alert is on, the radio vibrates once every 30 seconds 
when you receive a message on the channel and code you set.

Patent and Copyright Information 

©2014 Giant International Limited. All rights reserved. All 
registered trademarks and trade dress are the property of the 
respective owners. 

Channels and Frequencies 

CH #

FREQ 

(MHz)

CODE

TYPE

CH #

FREQ 

(MHz)

CODE

TYPE

1

462.5625

ANY

GMRS

26

462.7125

29

GMRS

2

462.5875

ANY

GMRS

27

462.5500

26

GMRS

3

462.6125

ANY

GMRS

28

462.6000

23

GMRS

4

462.6375

ANY

GMRS

29

462.6500

20

GMRS

5

462.6625

ANY

GMRS

30

462.7000

17

GMRS

6

462.6875

ANY

GMRS

31

462.5875

39

GMRS

7

462.7125

ANY

GMRS

32

462.6375

42

GMRS

8

467.5625

ANY

FRS

33

462.6875

45

GMRS

9

467.5875

ANY

FRS

34

467.5625

48

FRS

10

467.6125

ANY

FRS

35

467.6125

51

FRS

11

467.6375

ANY

FRS

36

467.6625

54

FRS

12

467.6625

ANY

FRS

37

467.7125

57

FRS

13

467.6875

ANY

FRS

38

462.5750

60

GMRS

14

467.7125

ANY

FRS

39

462.6250

63

GMRS

15

462.5500

ANY

GMRS

40

462.6750

66

GMRS

16

462.5750

ANY

GMRS

41

462.7250

69

GMRS

17

462.6000

ANY

GMRS

42

462.5625

14

GMRS

18

462.6250

ANY

GMRS

43

462.6125

11

GMRS

19

462.6500

ANY

GMRS

44

462.6625

8

GMRS

20

462.6750

ANY

GMRS

45

462.7125

5

GMRS

21

462.7000

ANY

GMRS

46

462.5500

2

GMRS

22

462.7250

ANY

GMRS

47

462.6000

37

GMRS

23

462.5625

38

GMRS

48

462.6500

34

GMRS

24

462.6125

35

GMRS

49

462.7000

31

GMRS

25

462.6625

32

GMRS

50

462.5875

40

GMRS

Tone/Code Setting Frequency (Hz)

CODE

CTCSS (Hz)

CODE

CDCSS 

(Octal)

CODE

CDCSS 

(Octal)

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

77

265

119

734

78

271

120

743

79

306

121

754

80

311

Weather Channels and Frequencies

CHANNEL 

RX (MHz) 

CHANNEL 

RX (MHz) 

CHANNEL  RX (MHz) 

WX1 

162.550 

WX5 

162.450 

WX9 

161.775 

WX2 

162.400 

WX6 

162.500 

WX10 

161.750 

WX3 

162.475 

WX7 

162.525 

WX11 

162.000 

WX4 

162.425 

WX8 

161.650 

 

 

Feature

Description

Normal battery save mode
1 sec. extended battery save mode (low setting)
2 sec. extended battery save mode (mid setting)
3 sec. extended battery save mode (max setting)

1
2
3

1.  To turn vibrating alerts on, press 

 until 

 is displayed. 

The current setting will flash.

2.  Press 

 or 

 to change the setting to On/Off.

3.  Press 

 or 

 to set or 

 to continue set up. 

Keypad Tones

You may enable or disable the speaker key tones. You will hear 
the key tone each time a button is pushed.

1.  Press   until   appears. The current setting On/Off will flash.

2.  Press 

 or 

 to turn On or Off.

3.  Press 

 or 

 to confirm or 

 to continue set up.

Note:

 When the key tone feature is off, the following are not 

disabled:
•   Transmit timeout alert tone
•   Call tone
•   Low battery alert tone or
•   The transmitted talk confirmation tone

Roger Beep Setting 

You can set the radio to transmit a unique tone when you finish 
transmitting. It is like saying “Roger” or “Over” to let others 
know you are finished talking. 

1.  With the radio on, briefly press 

 until 

 appears. The 

current setting On/Off flashes. 

2.  Press 

 or 

 to turn On or Off. 

3.  Press 

 or 

 to set the talk confirmation tone or 

 to 

continue set up. 

Special Features 

Emergency Alert Mode

The Emergency Alert feature can be used to signal members in 
your group of your need for urgent help. R300 series radios will 
operate in an automatic “hands-free” emergency control mode 
for a total of 30 seconds after activating the Emergency Alert. 
R300 series radios in your group will automatically advance the 
speaker volume to the maximum setting and sound a warbling 
alert tone for 8 seconds. The alert tone is emitted from your 
own radio speaker and the receiving radios in your group. After 
the 8 second alert, any spoken words or incidental sounds at 
your end will be transmitted to the group for 22 seconds. For 
the 30 second duration of Emergency Alert mode, R300 series 
radio controls and buttons will be locked to maximize reception 
of the emergency message.
1.  Press and hold the Emergency Alert button for 3 seconds.
2.  Release the button after the LED Indicator glows red and 

the alert tone begins to sound. There is no need to continue 
to hold the Emergency Alert button or use PTT for your 
message to be transmitted.

3.  After the alert tone ends you may speak into the microphone. 

Your voice or incidental sounds will be transmitted. The  
LED indicator will continue to glow for the duration of the  
22 second period.

4.  After 30 seconds your radio speaker will emit a Talk 

Confirmation Tone and the LED Indicator will extinguish. 
Operation then returns to normal two-way mode.

Note: All Olympia R300 series radios are fully compatible with 
the Emergency Alert feature. Radio brands other than Olympia 
R300 series can receive the emergency alert signal, but may 
not respond with adjusted volume settings, locked controls, 
or a warbling alert tone. Users of other radio models set to the 
same channel and code will hear a steady tone for 8 seconds 
followed by the voice transmission for 22 seconds.
Warning: The Emergency Alert feature should only be used in the 
event of an actual emergency. Olympia is not responsible if there 
is no response to the emergency alert from the receiving group.

LED Flashlight

Press and hold the LED 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.

Scanning Channels

Use scan to search all 50 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 
50 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,” i.e., the channel (and 
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 channels, and the radio will respond quickly to 
any activity occurring on the home channel as a priority.
To start Basic 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 

 or 

 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: 
Advanced Scanning is only available on channels 1-22.
1.  Set the code to “zero” or OFF. (the default code is set at 1)
2.  Briefly press the 

 key. The scan   will appear in the 

display, and the radio will begin to scroll through the 
channels. No 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 code that may be in use by that party will 
be detected and displayed.

4.  To respond and talk to the person transmitting, press 

 or 

 within five seconds of the end of the transmission. The 

radio will transmit using the newly detected 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 

 or 

 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 the 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 re-enter the scanning 
mode by pressing 

.

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 two-way communications. 
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.

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 the 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 

 or 

 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 two-way mode, 

 will display.

3.  Press 

 or 

 to save the Weather Alert setting.

4.  Briefly press 

 to return to two-way mode.

Package Includes

2 Olympia R300 2-Way radios, an owner’s manual as well as the 
following accessories: 
•   1 Y-cable with dual micro-USB connectors
•   1 Adaptor (plug)
•   2 NiMH (Rechargeable) Battery Packs 
•   2 Belt Clips 
•   1 Owner’s Manual 

Warranty

Consumer 2-Way Radio Products and Accessories purchased 
in the United States. 
What Does this Warranty Cover? 

Subject to the exclusions contained to the right, Giant 
International Ltd. warrants the Olympia branded consumer 
2-Way radios that operate via Family Radio Service or General 
Mobile Radio Service that it manufactures (“Products”), the 
Olympia branded or certified accessories sold for use with 
these products that it manufactures to be free from defects 
in materials and workmanship under normal consumer usage 
for the period(s) outlined below. This limited warranty is a 
consumer’s exclusive remedy, and applies as follows to new 
Olympia branded Products and accessories manufactured by 
Giant International Ltd., and purchased by consumers in the 
United States, which are accompanied by this written warranty: 

Products and Accessories 

as defined above, unless otherwise 

provided for below: 

2-Way Radios: Length of Coverage: 

Three (3) years from 

the date of purchase by the first consumer purchaser of the 
product unless otherwise provided for below. 

Accessories as defined above: Ninety (90) days 

from the date 

of purchase by the first consumer purchaser of the product. 

Products and Accessories that are repaired or replaced: The 
balance of the original warranty or for ninety (90) days 

from 

the date returned to the consumer, whichever is longer. 

EXCLUSIONS
Normal Wear and Tear. 

Periodic maintenance, repair and 

replacement of parts due to normal wear and tear are 
excluded from coverage. 

Batteries. 

Only batteries whose fully charged capacity falls 

below 80% of their rated capacity and batteries that leak are 
covered by this limited warranty. 

Abuse & Misuse. 

Defects or damage that result from: (a) 

improper operation, storage, misuse or abuse, accident or 
neglect, such as physical damage (cracks, scratches, etc.) to 
the surface of the product resulting from misuse; (b) exposure 
to extreme heat and cold; (c) exposure beyond the IP ratings 
to liquid, water, rain, sand, dirt, dust, food, or the like, when 
the battery door or accessory port seals are not closed; (d) 
use of the Products or Accessories for business purposes or 

subjecting the Product or Accessory to abnormal usage or 
conditions; or (e) other acts which are not the fault of Giant 
International Ltd., are excluded from coverage.

Use of Non-Olympia branded Products and Accessories. 

Defects or damage that result from the use of Non-Olympia 
branded or certified Products, Accessories, or other peripheral 
equipment are excluded from coverage. 

Unauthorized Service or Modification. 

Defects or damages 

resulting from service, testing, adjustment, installation, 
maintenance, alteration, or modification in any way by 
someone other than Giant International Ltd. or its authorized 
service centers, are excluded from coverage. 

Altered Products. 

Products or Accessories with (a) serial 

numbers or date tags that have been removed, altered 
or obliterated; (b) broken seals or that show evidence of 
tampering; (c) mismatched board serial numbers; or (d) 
nonconforming or non-Olympia branded housings, or parts, are 
excluded from coverage. 

Who is covered? 

This warranty extends only to the first consumer purchaser, 
and is not transferable. 

What will GIANT INTERNATIONAL LTD. do? 

GIANT INTERNATIONAL LTD., at its option, will at no charge 
repair, replace or refund the purchase price of any Products  
or Accessories that does not conform to this warranty.  
We may use functionally equivalent reconditioned/refurbished/ 
pre-owned or new Products, Accessories or parts. 

How to Obtain Warranty Service or Other Information? 

To obtain service, information or to obtain a Return 
Authorization (RMA) #, please call: 

USA Two-Way Radios 
1-866-537-0384 
[email protected] 

You will receive instructions on how to ship the Products or 
Accessories at your expense, to a GIANT INTERNATIONAL LTD. 
Authorized Repair Center. To obtain service, you must include: 
(a)  A copy of your receipt, bill of sale or other comparable 

proof of purchase

(b)  A written description of the problem
(c)  RMA #
(d)  Your address and telephone number

What Other Limitations Are There? 

ANY IMPLIED WARRANTIES, INCLUDING WITHOUT 
LIMITATION THE IMPLIED WARRANTIES OF 
MERCHANTABILITY AND FITNESS FOR A PARTICULAR 
PURPOSE, SHALL BE LIMITED TO THE DURATION OF 
THIS LIMITED WARRANTY, OTHERWISE THE REPAIR, 
REPLACEMENT, OR REFUND AS PROVIDED UNDER THIS 
EXPRESS LIMITED WARRANTY IS THE EXCLUSIVE REMEDY 
OF THE CONSUMER, AND IS PROVIDED IN LIEU OF ALL 
OTHER WARRANTIES, EXPRESS OR IMPLIED. IN NO EVENT 
SHALL GIANT INTERNATIONAL LTD. BE LIABLE, WHETHER 
IN CONTRACT OR TORT (INCLUDING NEGLIGENCE) FOR 
DAMAGES IN EXCESS OF THE PURCHASE PRICE OF 
THE PRODUCT OR ACCESSORY, OR FOR ANY INDIRECT, 
INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGES OF 
ANY KIND, OR LOSS OF REVENUE OR PROFITS, LOSS OF 
BUSINESS, LOSS OF INFORMATION OR OTHER FINANCIAL 
LOSS ARISING OUT OF OR IN CONNECTION WITH THE 
ABILITY OR INABILITY TO USE THE PRODUCTS OR 
ACCESSORIES TO THE FULL EXTENT THESE DAMAGES MAY 
BE DISCLAIMED BY LAW. 
Some states and jurisdictions do not allow the limitation or 
exclusion of incidental or consequential damages, or limitation 
on the length of an implied warranty, so the above limitations 
or exclusions may not apply to you. This warranty gives you 
specific legal rights, and you may also have other rights that 
vary from state to state or from one jurisdiction to another.

KEM-ML37501-01A

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