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7

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4.2 Adjust Volume

Press  the  preprogrammed 

“Squelch  Off ”  button  to  hear 

background  noise.  Then 

rotate  the  On/Off/Volume 

control  knob  to  adjust  the 

volume.

4.3 Select a Channel

Rotate the channel selector 

knob  to  select  the  required 

channel.  You  will  hear  voice 

f r o m   t h e   s p e a k e r   w h i l e  

receiving valid signals.

4.4 Make a Call

To  make  a  call,  select 

the  desired  channel, 

press  and  hold  the  PTT 

button,  and  speak  to  the 

microphone  in  normal 

voice.  Please  keep  your 

mouth 5-10cm away from 

the microphone.

4.5 Receive a Call

Release the PTT button to receive a call. 

Your dealer can set CTCSS/DCS signaling on your 

radio  channels  by  PC  software.  If  you  select  a 

channel  that  has  been  preset  with  the  signaling,  you 

will  not  hear  other  calls  except  those  from  your  own 

system. 

5. Functions of    
    Programmable Buttons

The  dealer  can  assign  one  of  the  following 

auxiliary functions to the top button, side button 1 or 

side button 2.

Description

Description

No function is assigned.

Press  the  preprogrammed 

“ L o n e   Wo r k e r ”   b u t t o n   t o  

start/stop lone working.

Press  the  preprogrammed 

“Emergency  Alarm”  button  to 

make  an  alarm  tone  according 

to  t h e  s e t t i n g  of  the  pro- 

gramming  software  or  send 

your  ID  or  background  sound 

to your partner or the system.

Press  the  preprogrammed 

“Emergency  Alarm  Off ”  button 

to  quit  the  Emergency  Alarm 

Mode.

Press  the  preprogrammed 

“Scan”  button  to  start/stop 

scanning.

Press  the  preprogrammed 

“Voice  Annunciation”  button  to 

change  the  language  and 

mode  of  voice  annunciation, 

meanwhile, the current channel 

number can be heard.

When  the  preprogrammed 

“Talkaround” button is pressed, 

the next transmission will be at 

the  same  frequency  as  at 

which it is received.

Function

Function

None

Voice 

Annunciation

Lone Worker

Emergency 

Alarm

Emergency 

Alarm Off

Scan

Talkaround

No.

No.

0

3

1

2

4

5

6

Summary of Contents for PT578

Page 1: ...PT578 FM HANDHELD TRANSCEIVER INSTRUCTION MANUAL ...

Page 2: ...two way radios produced by Shenzhen Kirisun Electronics Co Ltd We believe two way radio which always incorporates the latest technology can bring great convenience to your life and work We also believe that the quality and function of two way radio can meet your demands for reliable communication ...

Page 3: ...ion Precautions in Use Please comply with the following attentions to avoid fire bodily injury and damage to the radio The radio is recommended to transmit for 1 minute and receive for 4 minutes Long time transmitting or con tinuous working in high power mode will make the rear side of the radio generate heat Please do not disassemble or assemble the radio un der any circumstances Please do not ex...

Page 4: ...ter Belt Clip Charger Hand Strap Battery 2 Preparation Unpack the radio carefully We recommend that you check the radio and the supplied accessories listed in the following table before discarding the packing material If any damage or loss has occurred during shipment please contact the dealer without delay Supplied Accessories Item Quantity 2 1 Charging the Battery Plug the adapter into an applic...

Page 5: ...ths or the radio is not in the low battery alarm state otherwise it will have bad effects on the battery s service life and performance Remove the battery from the charger after charging When the radio is in the low battery alarm state please recharge the battery before use Do not turn the radio power on by force otherwise it will have bad effects on its service life and performance Do not recharg...

Page 6: ...e radio is in low power B On Off Volume Control Knob Turn clockwise until you hear a click to turn the radio power on Turn counterclockwise until you hear a click to turn it off Rotate it to adjust the volume after turning on the radio C Channel Selector Knob Rotate to select channel 1 16 D Antenna E Top Button programmable button F PTT Push To Talk Button Press and hold the PTT button and speak i...

Page 7: ...ble Buttons The dealer can assign one of the following auxiliary functions to the top button side button 1 or side button 2 Description Description No function is assigned Press the preprogrammed Lone Worker button to start stop lone working Press the preprogrammed Emergency Alarm button to make an alarm tone according to the setting of the pro gramming software or send your ID or background sound...

Page 8: ...can prevent the user from continuously talking overlong and occupying one certain channel for an extended period of time and prevent the radio from heating due to continuous transmitting b The radio is set with a continuous transmitting limit If the radio is continuously transmitting longer than the time preset by the dealer the radio will make alarm and stop transmitting 2 TOT Rekey Time a A peri...

Page 9: ...the button set as Scan to start scanning While in scanning the radio checks every channel in the scan list and stops on which a signal is detected until that signal disappears If interval between signal disappearing and continuing scanning has been preset the radio will remain on that channel b Priority Scan One channel in the scan list can be set as the priority channel which enables it to have t...

Page 10: ...er Mode press the prepro grammed Lone Worker Reset button if a button is designated as the lone worker timer reset button or any button if any button is designated as the lone worker timer reset button to restart the lone worker timer 6 9 Emergency Alarm Press the preprogrammed Emergency Alarm button the pressing time should be longer than the debounce time of the emergency alarm switch to enter t...

Page 11: ...tion range A The antenna is in poor contact Please fasten the antenna head B The HF amplifier is broken please change it C The squelch level is so high that the squelch cannot be opened Please reset the squelch level D The mixer tube is broken please change it E The FM processing IC is broken please change it A The power module is broken so there is no power output Please change it B The microphon...

Page 12: ...tromagnetic Fields 3 kHz to 300 Ghz American National Standards Institute C95 3 1992 IEEE Recommended Practice for the Measurement of Potentially Hazardous Electromagnetic Fields RF and Microwave The forementioned accessories are authorized for use with this product Use of accessories other than those listed in the instruction specified may result in RF exposure levels exceeding the FCC requiremen...

Page 13: ...ONS OPERATING NOTES When transmitting with a portable radio hold the radio in a vertical position with its microphone 5 to 10 cm 2 to 4 inches away from your mouth Keep the antenna at least 2 5 cm 1 inch from your head and body If you wear a portable two way radio on your body ensure that the antenna is at least 2 5 centimeters 1 inch from your body when transmitting PRECAUTIONS WARNING NEVER hold...

Page 14: ...andheld Transceiver Model No PT578 This compliances is based on conformity with the following harmonised standards or documents 3 6Flrs ROBETA Building No 1 QiMin Road Song Ping Shan Area Science Industry Park Nanshan District Shenzhen 518057 P R China DECLARATION OF CONFORMITY WenLiang Fu General Manager Signature Kirisun Electronics Co Ltd Shenzhen 10 Dec 2008 Place and date of issue 1 ETSI EN30...

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