Welcome to Use G-270ST / G-280ST
Please read carefully this user’s manual in order to have a better understanding of all functions of watch talkers.
G-270ST/G-280ST double-way
Principal Characteristics of this Unit
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Check cells to confirm whether cells are properly installed;
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Watch type with adjustable watch band;
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The cell volume may be insufficient;
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This radio was made in TXCO control and one-to-more radios communication;
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Cells may have been damaged. Change into new battery.
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FM Radio from 87.50MHz to 108MHz ;
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With effective communicative distance up to 7 kilometers in open apace but no guarantee;
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Press Up key to increase Volume ;
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CTCSS and DCS 1-99 sub-channel encode & decode;
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The receiving signals may become weak or go beyond receiving range;
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Voice scrambler get more privacy;
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Hold the watch walkie to higher. In order to have the ideal effect,
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VOX, voice activate PTT with 1-3 level selection;
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Clock alarm & SOS emergency alarm ;
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In changing channels, press Menu key until the channel
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12-hour/pm display.
numbers flash on the display screen;
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Stop watch
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Press Up key or Down key to change channels;
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Keypad Lock function.
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Cell volume may be insufficient.
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USB charging with battery protection circuit .
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using 3×AAA size battery in G-066ST/A3
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Cell volume may be insufficient;
Liquid Crystal Display Screen
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In the case of any indication of insufficient cell volume,
recharge the cells;
1. Channel numbers (00) : Display the current channel
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The effective receiving range is affected by terrain or environment;
2. FM : FM Radio from 87.50MHz to 108MHz
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The receiving range may be the greatest if it is in the open air.
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
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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 in the time of sending messages;
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In sending messages, your mouth must be 5 centimeters away from
8. Receiving indicator : indicator in the time of receiving messages;
the microphone and talk in a normalvoice;
9. Volume level bar : Display the current volume setup;
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In receiving signals, please regulate volume to an appropriate level;
10. SOS : Emergency alarm call
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Both talkers must keep apart by 2 meters at least or even farther;
11. Clock alarm ;
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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.
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 the key shortly, it give short music sound to start the menu on;
and press this key again to go to different "Menu Mode"
2.PTT key (Press To Talk / CALL (Call alert) : Keep pressing
this key to send voice message, and quickly press it twice to
send CALL alert tone;
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. Earpiece/Charging plug : Option to be provided by supplier.
6. MIC : Built-in microphone;
7. Speaker : Built-in speaker;
8. Antenna : For TX/RX
FCC & CE1313 & ROSH
Poor receiving
signals
Unable to change
channels
Limited receiving
range
Distortion of
sound
G-270ST/G-280ST USER MANUAL
No Power
FAILURE AND SOLUTION
Failure
Solutions
