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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. 

Patent and Copyright Information 

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

R500 series 

do not carry the matching tone or code. There are 121 codes. 0 
is the off position, no analog or digital codes are enabled and all 
users of that channel will be heard. Codes 1 – 38 are the standard 
analog (CTCSS) codes that appear on other FRS/GMRS radios. 
Codes 39 – 121 are additional digital (CDCSS) codes added for 
superior interference protection. 0 is the off position.
See the 

Tone/Code Setting Frequency

 table located at the back of 

the manual for details on tone frequencies and code values.
To set the code for a channel:
1.  Press   twice until the code starts to flash.

2.  Press   or   to select the code.

3. Press   or   to save the code setting or   to continue set up.
You can set a different code for each channel using this 
procedure. An extended press of   or   allows you to scroll 

rapidly so you can quickly reach the code you want.
This menu setting for repeater channels 15R-22R is used for 
receiving only.  The value must match with the repeater output.  
Many repeaters will require a value of 0 or OFF.  The transmitted 
code is set separately and is often required for repeater access. 
See 

”Selecting the Repeater Access (TX) Code”

 section for 

additional information.

Note: 

You must set the code to 0 to communicate with radios that 

do not have codes.

Setting and Transmitting Call Tones

The radio can transmit different call tones to other radios in your 
group so you can alert them that you want to talk. The radio has 
10 call tones from which to choose. 
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 
and code as the radio, press 

.

Note:

 Setting the call tone 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 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.

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.
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. 

Auto Power Off

The radio will save power by automatically turning itself off if 
unused after a predetermined amount of time.
1.  Activate this setting by pressing   until   displays. The 

current setting (0, 30, 60 or 90) will flash.

2. Press   or   to set the time to 30 minutes, 60 minutes or  

90 minutes. When this feature is activated, the   will remain 

on the display.

3.  When you exit the Menu mode, the timer will begin. If a button 

is pressed, or if there is an incoming signal, the timer will 
restart. 

4.  The screen will show  .
5. Press   or   to confirm or   to continue set up.

Enabling Repeater Channels 

Use of a repeater can greatly increase the radio range and 
coverage area. Repeater use must be coordinated with the owner 
of the repeater. Be sure to understand and follow the sharing and 
usage rules for each repeater system.
1.  Press   until the 

R

 appears. The current setting ON/OFF  

will flash.

2.  Press   or   to select ON or OFF.

3.  Press   or   to save the setting or   to continue set up.
After enabling the repeater channels, you will be able to select 
channels 15R-22R. Refer to the “Selecting the Channel” section 
on page one.

Selecting the Repeater Access (TX) Code 

When a repeater channel is selected, an additional menu option 
is available for setting the transmitted code. Many repeaters will 
require a specific value setting to activate the repeater on your 
transmissions. See the 

Tone/Code Setting Frequency

 table for 

detailed information.
1.  Press   repeatedly until the  

 , the 

R

, and the current 

setting flash.

2.  Press   or   to select the code.

3.  Pressor   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 

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 58 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 
58 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.

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 1-7.

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 located at the back 

of the manual 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.  Press and hold   for 3 seconds to return to two-way mode.

Package Includes

2 Olympia R500 2-Way radios, an owner’s manual as well as the 
following accessories: 
•   1 Desktop Dual Charging Base
•   1 Wall Adaptor
•   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. 

KEM-ML37701-01

Channels and Frequencies 

CH #

FREQ 

(MHz)

CODE

TYPE

CH #

FREQ 

(MHz)

CODE

TYPE

1

462.5625

ANY

GMRS

34

467.5625

48

FRS

2

462.5875

ANY

GMRS

35

467.6125

51

FRS

3

462.6125

ANY

GMRS

36

467.6625

54

FRS

4

462.6375

ANY

GMRS

37

467.7125

57

FRS

5

462.6625

ANY

GMRS

38

462.5750

60

GMRS

6

462.6875

ANY

GMRS

39

462.6250

63

GMRS

7

462.7125

ANY

GMRS

40

462.6750

66

GMRS

8

467.5625

ANY

FRS

41

462.7250

69

GMRS

9

467.5875

ANY

FRS

42

462.5625

14

GMRS

10

467.6125

ANY

FRS

43

462.6125

11

GMRS

11

467.6375

ANY

FRS

44

462.6625

8

GMRS

12

467.6625

ANY

FRS

45

462.7125

5

GMRS

13

467.6875

ANY

FRS

46

462.5500

2

GMRS

14

467.7125

ANY

FRS

47

462.6000

37

GMRS

15

462.5500

ANY

GMRS

48

462.6500

34

GMRS

16

462.5750

ANY

GMRS

49

462.7000

31

GMRS

17

462.6000

ANY

GMRS

50

462.5875

40

GMRS

18

462.6250

ANY

GMRS

15R

462.5500

ANY

RX GMRS

19

462.6500

ANY

GMRS

467.5500

ANY

TX GMRS

20

462.6750

ANY

GMRS

16R

462.5750

ANY

RX GMRS

21

462.7000

ANY

GMRS

467.5750

ANY

TX GMRS

22

462.7250

ANY

GMRS

17R

462.6000

ANY

RX GMRS

23

462.5625

38

GMRS

467.6000

ANY

TX GMRS

24

462.6125

35

GMRS

18R

462.6250

ANY

RX GMRS

25

462.6625

32

GMRS

467.6250

ANY

TX GMRS

26

462.7125

29

GMRS

19R

462.6500

ANY

RX GMRS

27

462.5500

26

GMRS

467.6500

ANY

TX GMRS

28

462.6000

23

GMRS

20R

462.6750

ANY

RX GMRS

29

462.6500

20

GMRS

467.6750

ANY

TX GMRS

30

462.7000

17

GMRS

21R

462.7000

ANY

RX GMRS

31

462.5875

39

GMRS

467.7000

ANY

TX GMRS

32

462.6375

42

GMRS

22R

462.7250

ANY

RX GMRS

33

462.6875

45

GMRS

467.7250

ANY

TX 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 

 

 

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