CHIAYO GMC-30 30 Unit Conference Microphone Audio Converter Instruction Manual

GMC-30
30-Unit Conference Microphone Audio
Converter
Operation manual CHIAYO ELECTRONICS CO., LTD.

Parts and functions

1. Power switch
2. Power indicator
3. Port ① indicator
4. Port ② indicator
5. Port ③ indicator
6. Chairman-Delegate switch
7. GMC-30 series connection jack
8. Unbalanced audio output (Φ6.3mm)
9. Balanced audio output (XLR)
10. Port ③
11. Port ②
12. Port ①
13. DC input (15V 4.3V)

Note: PORT 1~3 indicators ③④⑤ function with GM-143 of RJ-45 jack only. GM-143 of RJ45 jack can work with GMC-30 without port indicators functioning.
Instructions

1. Installation with GM-143 series There are three ports ○10 ~○12 on the back of convertor. Each port can be connected with a GM-143 series of up to 10 units. Each convertor can support 30 units at most.
2. System expansion When more than 30 units are required or the ports aren’t enough, GMC-30 can link to another convertor via its rear port ⑦ to support more GM-143 units.
3. CHAIRMAN-DELEGATE switch ⑥ If the convertor’s connected units include GM-143C (chairman unit), please slide the switch to C. Otherwise, please slide it to S.
4. Audio output There are two audio connecters on the rear of this unit, LINE-level unbalanced ⑧ and MIClevel balanced ⑨. Use shielded audio cable for the connection between this unit and the mixer/amp or audio source. If the mixer/amp has a LINE IN phone jack (1/4″, 6.3mm), connect a cable from the 1/4″(6.3mm) unbalanced audio output ⑧ from the convertor to the mixer/amp. If the mixer has a MIC IN XLR jack, connect a cable from the balanced XLR audio output ⑨ from the convertor to the mixer/amp.

Insert the plug

Pull out the plug

Installation diagram

CHIAYO ELECTRONICS CO., LTD.
http://www.chiayo.com.tw ｜Email: sales@chiayo.com.tw
Office: 30, Lane 27, Section 4, Jen-Ai Road, Taipei 10685, Taiwan
Tel: 886-2-27415741｜Fax: 886-2-27525242
Factory: 88, Chung-Hsiao Street 2, Chiayi 60080, Taiwan
Tel: 886-5-2711000｜Fax: 886-5-5767611 http://www.reznorhvac.com

Documents / Resources

| CHIAYO GMC-30 30 Unit Conference Microphone Audio Converter [pdf] Instruction Manual
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