PUBLIC ADDRESS MIXING AMPLIFIER
10
PU-103/106/112
8. EXTERNAL MUTE CONTROL TERMINAL
Connect +, - terminals externally to mute the output signal.
9. TEL IN TERMINAL
This is the audio input terminal of PBX that can be controlled with master volume control.
10. IMPEDANCE SELECTION SWITCH
Adjust this switch to select the desired output impedance. Select OFF for 4Ω(8Ω) output. Select ON for 70V
or 100V output.
11. TEL IN MUTE CONTROL VOLUME
TEL IN input signal can be the top priority. TEL IN input has priority over INPUT 1~3. Output level of INPUT
1~3 falls when signal is present on TEL IN. TEL IN mute control volume adjusts the level of output falling on
INPUT 1~3.
12. AC POWER CORD
This is the AC cord for connecting power. Do not bend, pull, twist, heat and cut by force. It may cause
electric shock.
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