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7.
Thunder precaution
As the device is connected with the local telephone line, in the spring and summer it is
vulnerable by thunder and lightning. TH804B has the lightning protection device inside, in
order to protection better, the case should be ground protected well with a 3-pin cable ground
connection. It is better to insert the port of rear panel ground with big copper cable directly
connected to the entrance of machine room’s ground protected.
Function Operation
●
INCOMING CALL
When the call is incoming from one line, the related phone is ringing. The control box in
studio will be luminous when there is one incoming call. Then the director could get through
the phone from that line.
●
WAITING BROADCAST
When director decides to cut-in one call from one line, presses the related button of
control box, if green light is on, audience from call could only hear live broadcasting without
participating in. If director wants to quit out for one call, press again, if green light is out, it is
out of waiting broadcast.
●
IN BROADCAST
When the radio host presses the related button of control box in live room, if the green
light turns red, audience from call could participate in program.
●
QUIT OUT
When the communication is over, radio host should press again, if red light turns flicker
green light, it quits out from broadcasting. When director has seen the flicker green light,
presses again, then the call is cut-out. Or radio host presses the button until the red light is out,
then the call is cut-out automatic.
●
MULTILATERAL CALL
When the call from one line is under the broadcasting, if one or more calls are cut-in, it
can be multilateral call that for multi-discussion. It is the same operation like single line.
●
CONNECTED CALL
When radio host is calling with one audience, if it need stop for a while and get through
other calls, put the call into quitting out status temporary (flicker green light displaying), if want
to come back, press again.
●
CUT-OUT URGENTLY
Press the button for more than one second by director or radio host, and then the call is
cut-out automatic.