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Welcome to Use G-066ST/USB or G-066ST/A3

Please read carefully this User Manual in order to have a better understand of all functions of  two way watch talkers. 

Principal Characteristics of this Unit 

 Check cells to confirm whether cells are properly installed;

 Watch type with adjustable watch band;

 The cell volume may be insufficient;

 This radio was made in TXCO control and one-to-more radios communication;

 Cells may have been damaged. Change into new battery.

 FM Radio from 87.50MHz to 108MHz ;

 With effective communicative distance up to 7 kilometers in open apace but no guarantee;

 Press Up key to increase Volume ;

 CTCSS and DCS 1-99 sub-channel encode & decode;

 The receiving signals may become weak or go beyond receiving range;

 Voice scrambler get more privacy;

 Hold the watch walkie to higher position,

 VOX, voice activate PTT with 1-3 level selection;

  In order to have the ideal effect,

 Clock alarm & SOS emergency alarm ;

 In changing channels, press Menu key until the channel

 12-hour/pm display.

   numbers flash on the display screen; 

 Stop Watch and Keypad Lock Function

 Press Up key or Down key to change channels;

 USB charging with battery protection circuit .

 Cell volume may be insufficient.

 using 3.7V lithium battery in G-066ST/USB

 using 3×AAA size battery in G-066ST/A3

 Cell volume may be insufficient;

Liquid Crystal Display Screen 

 In the case of any indication of insufficient cell volume,

  please charge the rechargeable battery or replace new battery; 

1. Channel numbers (00) : Display the current channel 

 The effective receiving range is affected by terrain or environment;

2. FM : FM Radio from 87.50MHz to 108MHz 

 The receiving range may be the greatest if it is in the open space.

3. CT : 1-38 CTCSS sub-channel 

  tured buildings, or the corners of streets, or factory buildings,

4. DCS : 39-99 DCS sub-channel 

  or in cars, the receiving range will be seriously affected; 

5. VOX : Voice activate PTT 

 Check the position of the antenna. In order to have the ideal effect,

6. SCRA : Voice scrambler 

   please place the antenna upwards. 

7. Transmission indicator : Indicator at the moment of transmission signal; 

 In sending messages, your mouth must be 5cm away from

8. Receiving indicator : indicator at the moment of receiving signal; 

  the microphone and talk in a normal voice; 

9. Volume level bar : Display the current volume setup; 

 In receiving signals, please regulate volume to an appropriate level;

10. SOS : Emergency alarm call 

 Both talkers must keep apart by 2 meters at least or even farther;

11. Clock alarm ; 

 The both sides may be too far away, or there is an obstacle that

12. Battery capacity display 

  hinders the sending of signals. If there is no obstacle between 

13. 12 hour/pm time display 

  the two sides, the talk range is up to 7 kilometers but no guarantte. 

14. Keypad Lock Function

Description of Structure 

1.POWER/MENU Key (Continue Press this key to select "Key Lock" & "POWER On/Off") :   

When you press this key shortly, it give short music sound to start the menu list; 

and press this key again to go th next different "Menu Mode"
2.PTT key (Press To Talk / Call alert) : Keep pressing 
this key continue to send voice message. If shortly press the key twice to 
activate "Call Alert" and send alert tone to another user;
3.UP key : Adjust volume (in the default state),Adjust channels and time 
in the menu state; 
4. DOWN key : Adjust volume (in the default state),Adjust channels and;  
time in the menu state
5. SCAN key : Press this key to enter the channel scanning; 
6. MIC : Built-in microphone; 
7. Speaker : Built-in speaker; 

8. Antenna : For TX/RX 

G-066ST USER MANUAL 

Failure

Solutions

No Power

FAILURE AND SOLUTION

FCC & CE1313 & ROSH 

Poor receiving

signals

Unable to change

channels

Limited receiving

range

Distortion of

sound

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