MAN 143C
Hearing Helper
™
Wireless FM Listening System
5
Step 3: Connect the Audio Source
On the back of the T800, two audio input jacks are available: an RCA-type
jack for line-level, unbalanced audio sources; and a combo XLR (3-pin) and
1/4” TRS jack for connecting an unbalanced/balanced audio source. Note:
Microphone must be dynamic (no phantom power supplied). If both inputs
are used simultaneously, audio will be mixed. Connect the desired audio
source to the T800 transmitter.
Step 4: Connect the Power
Locate the power supply cord equipped with the 3-pin connector, then plug
the connector into the “AC Power In” jack located in the back of the T800.
Plug the power supply into the AC outlet. Alternatively, the T800 can be
powered by a 12VDC power supply for portable applications (not included).
Note: Only one power source should be used at one time.
Press the “Power ON/OFF” control on the front of the unit. On power up,
“Williams Sound T800” will appear briefly while the system initializes. The
system will then display the current operating “CHANNEL” (1-16).
Step 5: Select the Frequency
The T800 operates on the 863-864 MHz bandwidth with sixteen selectable
preset channels.
Channels 1-3 are standard
and coincide with channels
1-3 on the R863 (optional) receiver:
CH 1
= 863.250 MHz,
CH 2
= 863.750 MHz,
CH 3
= 864.750 MHz
Additional operating channels (4-16) available are:
CH 4
= 863.050 MHz,
CH 5
= 863.400 MHz,
CH 6
= 863.550 MHz
CH 7
= 864.000 MHz,
CH 8
= 864.150 MHz,
CH 9
= 864.300 MHz
CH 10
= 864.450 MHz,
CH 11
= 864.600 MHz,
CH 12
= 864.950 MHz
CH 13
= 863.150 MHz,
CH 14
= 863.650 MHz,
CH 15
= 863.900 MHz,
CH 16
= 864.850 MHz
The T800 is set at the factory to Channel 1 (863.250 MHz). To change the
channel, press and hold the “Set” button for 3 seconds (cursor will flash),
then press the “+” Up or “-” Down button until the desired channel (1-16)
is displayed. No further action is required, the selection will be saved into
memory after 3 seconds.
To view the current operating frequency (i.e. “863.250 MHz”) on the T800,
press the “MENU” button once.
