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MAN 136E

Figure 2: T863 controls

5.  Position the Headset Microphone boom as close to the speaker’s mouth as 

possible without actually touching. Lapel clip microphones should be attached 

to a collar or lapel, as close to the speaker’s mouth as possible. The transmitter 

can be placed in a pocket, or clipped onto a belt or waistband.

IMPORTANT:  When the T863 transmitter is not being used, remember to turn the unit OFF 

by turning the On/Off/Channel Switch to the “

” power icon position. The Power “ON” 

LED indicator should not be lit.

Battery Information

The T863 Transmitter can use two (2) disposable AA batteries (BAT 001) or two (2) AA 

rechargeable batteries (BAT 026). Note: The BAT 026 provides longer life than other 

rechargeable batteries. Do not substitute other rechargeable batteries and chargers. 

Recharging

If the T863 Transmitter is equipped with rechargeable batteries, up to 12 units 

can be charged at one time in the optional CHG 3512 multi-charger. Refer to 

the charger instruction sheet for complete charging instructions. For ordering 

information, please contact Williams Sound at 800-843-3544.

2.  Plug the microphone cord into the “Microphone Jack” on top of the transmitter.

3.  Turn the unit on: turn the On/Off/Channel switch to position “1” or “2” or “3.” The 

Power “ON” LED indicator should illuminate Red.

4.  Select a desired operating frequency. To operate on 863.25 MHz, turn the On/

Off/Channel switch to position “1”; to operate on 863.75 MHz, turn to position 

“2”; to operate on 864.75 MHz, turn to position “3.”

IMPORTANT:  The receiver will need to match the operating frequency on the transmitter 

for the tour guide system to work properly.

ON/OFF/CHANNEL
SELECTOR SWITCH 

ANTENNA

"ON"
INDICATOR

MICROPHONE 
JACK

A291

Summary of Contents for Hearing Helpe T863

Page 1: ...attery compartment to the Alkaline position See figure 1 If installing NiMH or rechargeable batteries slide the battery selection switch to the NiMH position BATTERY COMPARTMENT BATTERY SELECTION SWITCH A292 NOTE PROPER POLARITY AA AA Mic Adjust Press the batteries into place over the fabric strip Be sure to observe proper polarity Damage due to improper battery installation may void the warranty ...

Page 2: ...other rechargeable batteries and chargers Recharging If the T863 Transmitter is equipped with rechargeable batteries up to 12 units can be charged at one time in the optional CHG 3512 multi charger Refer to the charger instruction sheet for complete charging instructions For ordering information please contact Williams Sound at 800 843 3544 2 Plug the microphone cord into the Microphone Jack on to...

Page 3: ... increase the gain turn the gain control fully clockwise Close the battery door after adjustments have been made Figure 3 Microphone gain control Figure 4 Belt clip installation A245 MIC ADJUST A293 AA AA Mic Adjust Belt Clip Installation To Install Position the belt clip on the rear of the T863 transmitter as shown in figure 4 Turn the belt clip 180 left or right as shown below The belt clip is n...

Page 4: ...y explode release dangerous chemicals cause burns or other serious harm to the user or product MEDICAL DEVICE SAFETY CAUTION 1 Before using this product with an implantable or other medical device consult your physician or the manufacturer of your implantable or other medical device 2 If you have a pacemaker or other medical device make sure that you are using this product in accordance with safet...

Page 5: ...viation 60 kHz 5 kHz transmitter input at 1 kHz 2 5 mV Pre Emphasis 50 µS Sensitivity 90 dBm 60 kHz deviation RF Output 5 10 dBm Freq Response 500 Hz 5 kHz 3 dB Distortion 2 0 THD Transmit Antenna External 5cm Microphone Head worn unidirectional electret type 39 in cord 3 5 mm mono phone plug MIC 100 Controls Indicators Microphone gain adjust Channel Power selector 4 position rotary switch Power i...

Page 6: ... OF THE PRODUCT WHETHER A CLAIM FORSUCH DAMAGES IS BASED UPON WARRANTY CONTRACT TORT OR OTHERWISE THE SOLE REMEDY FOR ANY DEFECT FAILURE OR MALFUNCTION OF THE PRODUCT IS REPLACEMENT OF THE PRODUCT NO PERSON HAS ANY AUTHORITY TO BIND WILLIAMS SOUND TO ANY REPRESENTATION OR WARRANTY WITH RESPECT TO THE T863 Transmitter UNAUTHORIZED REPAIRS OR MODIFICATIONS WILL VOID THE WARRANTY The exclusions and l...

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