|[Household appliances] - [Audio-Video]|
TH804B Hotline Telephone Coupler / Bridge / Directed Phone | 4 Way Direct Coupler
TH804B hotline telephone coupler
* This product is a professional hotline access and control devices for all types of radio and television stations in the use of live programs can also be used for telephone conferences, telephone recording and other occasions.
*Provide four-way telephone access, the use of microcomputer chip and electronic switching technology, separate control of each road, cutting out the operation convenient and flexible, up to four-way telephone access, listeners and the host, the audience and the audience Can be set up between the multi-party calls, free conversation, can also be implemented to maintain the conversation, respectively.
*Provide two main broadcast room audio and control interface, the user only need to add a control box and the corresponding control cable, you can achieve two live sharing time sharing a set of hotline devices.
* Each side are equipped with consumer side tone adjustment switch, can get a good phone sound quality, to avoid harmful acoustic feedback.
* In the director and the host control box built-in call device, including the microphone and speaker (the host can call output to the mixer or headphone distributor), and a call button, making internal calls become very convenient .
* No direct mode is suitable for only the presence of the host in the case of automatic answer and switch hotline (the user needs to be customized).
* Audio input: (from live studio) 10KΩ balanced 0dBu 6.35mm three-pin plug
* Audio output: (to the live room) 20Ω balanced 0dBu 6.35mm three-pin plug
(Mixed output) 600Ω unbalanced -10dBV 6.35mm three-pin plug (headphone) 16Ω 6.35mm three-pin plug
(Internal call output) 8Ω unbalanced -10dBV 6.35mm three-pin plug
Frequency response: 300Hz - 3KHz
Signal to noise ratio: ≥ 70dB (excluding telephone line noise)
Side tone suppression: ≥ 45dB
Host size: 19-inch 1U standard chassis
Power consumption: 10W
Standard: a host, two control lines, two control box, a manual, a power cord
1. Call: When a call into the road, the road telephone Ling-Ling, director of the control box on the corresponding LED will flash, that a telephone into the guide can answer this phone.
2. Hou broadcast: When the director to answer the phone after the decision to cut into the road, just click the corresponding button on the control box, green light, this time, the hotline listener can hear the program live, but temporarily can not participate in the program. If the pilot wants to withdraw from a road Hou broadcast state, simply press the green light goes out, that is, withdraw from Hou broadcast state.
3. broadcast: the host according to the instructions on the live control box green light, click the appropriate button, the green light turns red, hotline audience began to participate in the program.
4. Exit: When the call ends, the host and then click the button, the red light into a flashing green light, enter the exit status, to remind the director cut out the phone, the director saw flashing green light, click the road button, Cut out the phone.The host can also hold down the button and hold, 1 seconds later, the red light goes off, automatically cut out the phone.
5. Multi-party calls: in a way into the broadcast state, and then cut into one or more road, to achieve multi-party calls can be discussed issues such as activities, the same method of operation.
6. Call hold: the host and a certain audience in the call, if you want to temporarily interrupt, and answer or call other phone, simply make the road temporarily into the exit state (flashing green light), to restore the call can be Click the button.
7. Emergency cut out: whether it is directed or host, press the button for more than 1 second, the road is automatically stitches out.