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11 

Using Panic 

When emergency occurs, user can set the radio generate alarm sound for safety. 
 
1.  To activate alarm sound, press and hold 

PANIC

 key (about 0.5 seconds). Release 

PANIC

 key when warning 

tone sound and vibrate. 

Note: 

• 

The alarm sound can be activated even if the radio is Power Off (rotary switch Off) or battery 
charging or battery low. 

• 

Within warning sound and vibration period, press PANIC key once to stop the function. 

 
2.  After warning tone sound and vibrate (about 2 seconds), the radio will generate alarm sound. 
 
3.  To stop alarm sound, press and hold 

PANIC

 key (about 2 seconds) until alarm stop and “StOP” shows on LCD. 

 

Using the Swivel Belt Clip 

To attach the belt clip, insert the clip into the socket at the back of the radio until it clicks. To remove the belt clip, 
press the button at the tip of the clip and pull out the clip. 
 

Using an Optional Wrist Strap 

You can attach an optional wrist strap (not supplied) to the radio. Slide the wrist strap’s small loop under the bar on 
the tip of the radio. You might need to use a small screwdriver or straightened paper clip to do this. Then pull the 
strap’s large loop through the small loop. 
 

CARE 

Keep the radio dry; if it gets wet, wipe it dry immediately. Use and store the radio only in normal temperature 
environments. Handle the radio carefully; do not drop it. Keep the radio 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 
warranty and void your FCC authorization to operate it. If your radio is not performing as it should, take it to your 
local RadioShack store for assistance. 
 

FCC Information 

Important: Do not open your radio to make any internal adjustments. Your radio is set up to transmit a regulated 
signal on one of 22 assigned frequencies. It is illegal to alter or adjust the settings inside the radio to exceed those 
limitations. Any adjustments to your radio must be made by a qualified technician using the proper test equipment. 
To be safe: 

• 

Never open your radio’s case. 

• 

Never change or replace anything in your radio except the batteries. 

• 

Your radio might cause TV or radio interference even when it is operating properly. To determine whether your 
radio is causing the interference, turn it off. If the interference goes away, your radio is causing it. Try to 
eliminate the interference by: 

• 

Moving your radio away from the receiver. 

• 

Calling your local Radioshack store for help. 

 
If you cannot eliminate the interference, the FCC requires that you stop using the radio. 
 
This device complies with Part15 of the FCC Rules. Operation is subject to the following two conditions: (1) This 
device may not cause harmful interference, and (2) this device must accept any interference received, including 
interference that may cause undesired operation. 

 

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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