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Using Key Tone and Vibrate 

You can set the radio so it sounds a tone when you press any key except 

PTT

 or 

FUNC 

key. And 

you can set the radio vibrate to alert received a signal when the radio is idle for 30 seconds.  
 
To turn on the key tone and vibrate feature, press 

MENU

 key to activate the Menu function and 

press 

UP

 or 

DOWN

 key until 

 

icons and 

ON

 appears. Press 

PTT

 key to store the setting.  

 
To turn off the key tone and vibrate feature, press 

MENU

 key to activate the Menu function and 

press 

UP

 or 

DOWN

 key until 

 

icons and 

OFF

 appears. Press 

PTT

 key to store the setting.  

 
To turn on the key tone and turn off the vibrate feature, press 

MENU 

key to activate the Menu 

function and press Up or Down key until 

 

icons and 

ON

 appears. Press 

PTT

 key to store the 

setting.  
 
To turn off the key tone and turn on vibrate feature, press 

MENU 

key to activate the Menu 

function and press Up or Down key until 

 icons and 

ON

 appears. Press 

PTT

 key to store the 

setting.  
 
When no keypress found in Menu mode, the radio will exit without save after 20 seconds

 

Using VOX 

Vox operation allows you to transmit voice message without pressing any key. To activate VOX, 
continually press 

MENU

  key  until 

VOX

 appears. Press 

UP

 or 

DOWN

 key

 

to select the desired 

level (There are four levels of sensibility 1 ~ 4, i.e. Lo ~ Hi ), select 

OFF

 to turn off this function. 

Press 

PTT

 key to store the setting. When no keypress found in Menu mode, the radio will exit 

without save after 20 seconds.

 

 

Note:  

• 

You still can  send a page to the other FRS radio in VOX mode when the keys are 
locked. 

 
Using APO 

You can set the radio to automatically power off when the radio is idle (no any key pressed or Tx 
or Rx) for 30, 60 or 90 minutes. To turn this feature ON/OFF, continually press 

MENU

 key until 

APO

 and 

30

60

90

 or 

OFF

 appears, press 

UP

 or

 DOWN

 key to select the desired one, if you 

select 

OFF

, the radio will not automatically power off.  Before the radio shuts off, the radio will 

alert beep sounds. After auto power off, the  radio can be wake up by any key press when rotary 
switch in ON state. 
 

Using Hi/Lo transmitter power 

You can set the radio transmit power is 0.5W or 2W. The transmit power of channel 8-14 is fixed 
at 0.5W only (FRS channel). To select 2W transmit power, make sure that the channel isn’t 8-14 
and then press 

MENU

 key until 

Lo

 icon appears, if you select 

OFF

, the radio transmit power is 

2W, select 

ON

 to set the transmit power is 0.5W. When no keypress found in Menu mode, the 

radio will exit without save after 20 seconds.

 

 

Note: 

• 

No Hi/Lo transmit power selection when Channel number is 8-14 (FRS Channel). 

 

Summary of Contents for 21-1905

Page 1: ...you press any key except PTT Your radio s other features include 22 Channels provide clear communications for up to two miles in FRS channel and up to three miles in GMRS channel Channel Scan use to...

Page 2: ...ging the battery through the 6V DC jack on the button of the radio Warning Never install non rechargeable batteries when CHARGE ON OFF is set to ON Non rechargeable batteries can get hot or explode if...

Page 3: ...the battery compartment cover and remove the cover 3 Set CHARGE ON OFF to ON 4 Place four Ni Cd or Ni MH batteries in the compartment according to the polarity symbols and marked inside Then replace...

Page 4: ...de if you selected one TX appears Release PTT to stop transmission Note If you hold down PTT for about 2 minutes the radio automatically stops transmission to save power Selecting Channel Press UP or...

Page 5: ...151 4 6 82 5 25 156 7 7 85 4 26 162 2 8 88 5 27 167 9 9 91 5 28 173 8 10 94 8 29 179 9 11 97 4 30 186 2 12 100 0 31 192 8 13 103 5 32 203 5 14 107 2 33 210 7 15 110 9 34 218 1 16 114 8 35 225 7 17 11...

Page 6: ...ppears Press UP or DOWN key to select the desired level There are four levels of sensibility 1 4 i e Lo Hi select OFF to turn off this function Press PTT key to store the setting When no keypress foun...

Page 7: ...ving Caller ID data at the same Channel and CTCSS code If the Call ID number matches with its Home ID number Receiver ID number or equal to Group Call then it represents the call is addressed to this...

Page 8: ...until the Call ID number flashes on the display press UP or DOWN key to select the receiver s home ID number or GROUP option If you select receiver s home ID number 1 16 you can only send a page to on...

Page 9: ...setting Press Call key to transmit the Call to other radio Mary receive the ID data which is address to her The radio displays the transmitter ID number on LCD The radio CTCSS setting is changed to Pr...

Page 10: ...er to 9P Group Call Press PTT to confirm the Call ID setting Press Call key to transmit the Call to other radio Mary receive the ID data which is address to all radio in this Channel and CTCSS code Th...

Page 11: ...o away from dust and dirt and wipe it with a damp cloth occasionally to keep it looking new Modifying or tampering with the radio s internal components can cause a malfunction and might invalidate its...

Page 12: ...radio frequency signals The device is authorized to operate at a duty factor not to exceed fifty percent In August 1996 the Federal Communications Commission adopted RF exposure guidelines with safety...

Page 13: ...line Battery Life about 16 hours alkaline batteries Operation Temperature 4 to 122 F 20 to 50 C Dimension HWD 102 x 57 x 35 mm Weight 100 gm Specifications are typical individual units might vary Spec...

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