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Description

Description

If  the  radio  stays  at  a  noise 

channel  while  scanning,  press 

the  preprogrammed  “Nuisance 

Delete”  button  to  delete  the 

noise channel temporarily.

Press  the  preprogrammed 

“High/Low  Power  Switch” 

button  to  switch  between  high 

and  low  transmitting  power  of 

the radio.

Press    and    hold    the 

   

grammed  “Momentary  Monitor” 

button to disable CTCSS, DCS 

signaling,  and  release  the 

button  to  resume  normal 

operation. 

prepro-

Press  the  preprogrammed 

“Monitor”  button  to  disable 

CTCSS, DCS  signaling, and

Function

Function

Nuisance 

Delete 

(temporary)

Monitor

Momentary 

Squelch Off

Squelch Off

Lone Worker 

Reset

High/Low 

Power 

Switch

Momentary 

Monitor

Monitor

No.

No.

7

10

8

11

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12

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you  can  receive  signals  that 

cannot  be  heard  under  normal 

operation.  Press  it  again  to 

resume normal operation.

Press  and  hold  the  prepro- 

grammed  “Momentary  Squelch 

Off”button  to  open  squelch; 

release  it  to  resume  normal 

operation.

Press  the  preprogrammed 

“Squelch  Off ”  button  to  open 

squelch.  Press  it  again  to 

resume operation. 

Press  the  preprogrammed 

“Lone  Worker  Reset”  button 

while  the  radio  is  in  Lone 

Worker  Mode  to  reset  the  lone 

worker  timer,  and  the  timer 

starts again. 

6. Auxiliary Functions

6.1 TOT (Time-Out-Timer)

1) TOT Function

a)  The  time-out-timer  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  period  in  which  the  radio  is  forbidden  to 

transmit after its overtime activity.

b) During the period, if the PTT button is pressed, 

an alert tone will be sounded, and the transmission is 

forbidden. 

3) TOT Pre-alert

a) The pre-alert will sound before the TOT action. 

b)  After  the  pre-alert  tone,  the  timer  will  action 

when the transmitting time has gone beyond the limit. 

4) TOT Reset Time

a) The time delay from releasing the PTT button to 

the resetting of the timer is limited.

b)  The  countdown  will  go  on  if  the  time  after 

releasing the PTT key is shorter than the reset time.

6.2 Battery Saving

The  dealer  can  set  the  power  saving  mode  by 

programming. 

If  this  function  is  enabled,  and  the  radio  hasn't 

receive  any  signal  or  no  operation  is  being  acted  for 

10 seconds, the radio will enter Battery Saving Mode. 

When a signal is received or any operation occurs, it 

will exit the Battery Saving Mode automatically. 

There  are  four  types  for  battery  saving:  1:1,  1:2, 

1:4 and Off.

The  automatic  battery  saving  function  can  reduce 

power consumption of the radio.

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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