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3. Transmitting and receiving: 

 
The headset is in receiving mode, when turned 

ON

 by the 

Volume/ On/Off switch

To transmit voice, make sure that the microphone 

is very close to your mouth

 (about ½ “) and 

the 

white dot

 on the microphone is against your mouth. 

Push the PTT button or adjust the VOX sensitivity and start talking.  
After releasing the PTT or when you stop talking in VOX mode, you and all other recipients will 
hear a beep tone- to confirm end of transmission. 
 

4. Adjustment of the VOX sensitivity:  

 

A. 

Maximum sensitivity

 (first VOX level - opposite to the PTT position) is appropriate for 

communication in low noise levels - up to 92dB(A). 

B. 

Medium sensitivity

 

starts the VOX with this position. Suitable for most noisy area up to 

105dB(A).  

C. 

Minimum sensitivity

 (lowest sensitivity- position close to the PTT position) is 

appropriate for transmissions in high noise levels (up to 130dB and requires an increased 
voice signal in order to activate the transmitter.   

 
Note:  When transmitting, you should hear your own voice through the speakers. 
 

5. Suggestions for proper operation: 
 

A.  It is recommended to use the PTT to transmit if you have a free hand.. 
B.  When using VOX mode, speak continuously and avoid silent periods between words. 
C.  When you receive a transmission, the PAWN blocks VOX transmission, PTT is always 

available. 

 

6. Should the transmitter not work properly in VOX mode check the following: 
 

A.  Is the VOX sensitivity position is right for the noise surrounding you? 
B.  Is the microphone positioned close enough to your mouth? 
C.  Are you speaking loudly enough? 
D.  Is the other user transmitting, or is the VOX sensitivity set so high that the transmitter 

is constantly activated? 

 

7. CTCSS tone  (PL Decoder/Encoder) considerations: 

 

A.  The default internal dip switch position (see page 6) is OFF. 
B.  If you experience interference on the selected channel, it is recommended to change the 

channel. If you must stay on the first channel, you move the CTCSS dip switch to ON. 

C.  Please note: 
D.  If you are using the VOX system with PL, expect a longer delay between beginning of 

speech and transmission than by using PTT. The recessives will have a delay of 1-2 
seconds.  There for you must extend the first word like - DDDDDDave, listen…..   

E.  Every body must change to CTCSS ON in order for this feature to work because it affects 

all channels. 

Summary of Contents for 460C

Page 1: ...k you for buying this HCS transceiver This instruction manual contains important safety and operating instruction Please read it carefully before using the Headset HEAD CONNECTION SYSTEMS LTd 112 Soundview Drive Port Washington NY 11050 1750 Fax 516 944 7556 For Extreme Noise Environment HCS Head Connection Systems Ltd ...

Page 2: ...push to talk or hands free VOX system APPLICATIONS The applications for PAWN are many Shop floors Power plants Forestry Construction sites Quarries Recreational areas and other noisy areas where secure communication over short distances are essential The plug in sell phone enables clear communication with the outside world OPERATING INSTRUCTIONS Simplified controls make PAWN Headsets easy to use A...

Page 3: ...r operation A It is recommended to use the PTT to transmit if you have a free hand B When using VOX mode speak continuously and avoid silent periods between words C When you receive a transmission the PAWN blocks VOX transmission PTT is always available 6 Should the transmitter not work properly in VOX mode check the following A Is the VOX sensitivity position is right for the noise surrounding yo...

Page 4: ...level 10 HEADSET MAINTENANCE AND USER INFORMATION In order to fully benefit from the superior noise attenuation wear PAWN 100 of the time you are exposed to noise Regularly clean the outside of PAWN using warm water and a mild detergent WARNING The unit must not be submerged in water Do not store or place PAWN in temperatures exceeding 55 C 13O F Do not place the unit behind a car windshield or in...

Page 5: ...0 Degrees Celsius 14 to 140 Degrees Fahrenheit Ground Negative Weight Approx 14 5oz Batteries Included 400 gr TRANSMITTER Output Power Max 300 500mW high power 50mW low power 10mW ERP Emission Mode F3E FM Modulation System Variable Reactance FM Max Freq Deviation 2 5KHz Spurious Emission 60dB Or Under Below Carrier Level Microphone Dynamic differential Operating Mode Simplex half duplex RECEIVER R...

Page 6: ...n accordance to acceptable ANSI standards Actual noise reduction can vary from laboratory results as labeled Protection is maximized when proper protector is selected for application 7 SPARE PARTS AND ACCESSORIES Two easily replaced cushions and damping pads The replacement cushions are easily installed with a simple press and snap function It is recommended that the hearing protector cushions and...

Page 7: ...can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user ...

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