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Troubleshooting 

1)

 

When there is STATIC INTERFERENCE or NO SOUND, please go through the following 
procedures to eliminate the problems. 
a.

 

Make sure that the transmitter and receiver are set on the same channel. 

b.

 

Check the Mute setting on the transmitter. 

c.

 

Check whether two transmitters are set at the same channel. Avoid two transmitters to 
be on the same channel. 

d.

 

Sound level on the line input source may be too high. 
 

2)

 

When a NOISY SOUND occurs, please go through the following procedures to eliminate the 
problems. 
a.

 

Make sure that the transmitter and receiver are within the distance range. 

b.

 

Make sure that the sound level on the transmitter and audio sources are set at a 
reasonable level. 

c.

 

Try changing the transmitter to a different frequency to see if the sound quality 
improves. 
 
In case the problem persists, please consult your dealer or ARG. 
 

Repairs 

In the event that there is need for a repair, please contact your dealer or ARG for a Return 
Authorization. 
 
 
 

Technical Specifications 

Frequency Range: 72.1-72.9MHz, 74.7MHz, 75.3 – 75.9MHz 
Modulation: Wide-band FM, 75 kHz pk 
Frequency Response: 200Hz to 13KHz, ±3 dB at 1% max. THD 
SNR: 70dB (typical) transmitted 
 
72MHz Mini Transmitter 
Audio Input: 3.5mm mono Mic /Line   
Power consumption: 3.7V40mAH 
Operation hours: 15 hours   
Charging time: 3 hours, smart charging 
Weight: 35g 
 
 
 
 
 
 
 

Summary of Contents for ARG-TX72M

Page 1: ...gh They are very small light weighted and user friendly All of our products re designed to provide many years of reliable service We are commited to provide the best assistive listening system to the users who have hearing problem This manual contains basic product information to ensure trouble free operation so please take time to read through this manual thoroughly before using your new assitive...

Page 2: ...pment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help This equipm...

Page 3: ...is muted there is a muted icon on the display and the channel number flashes When it is unmuted the icon disappears and the channel number becomes still VOLUME CHANNEL SETUP In normal mode press the button to see the current volume level and press the button to see the current channel number Press and hold the SET button and turn the transmitter to ON position The lock icon disappears from the dis...

Page 4: ...eceiver are within the distance range b Make sure that the sound level on the transmitter and audio sources are set at a reasonable level c Try changing the transmitter to a different frequency to see if the sound quality improves In case the problem persists please consult your dealer or ARG Repairs In the event that there is need for a repair please contact your dealer or ARG for a Return Author...

Page 5: ...FREQUENCY CHART CH FREQ 1 72 1MHz 2 72 5MHz 3 72 9MHz 4 75 7MHz 5 74 7MHz 6 75 3MHz 7 75 9MHz 8 72 2MHz 9 72 3MHz 10 72 4MHz 11 72 6MHz 12 72 7MHz 13 72 8MHz 14 75 4MHz 15 75 5MHz 16 75 6MHz 17 75 8MHz ...

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