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Operation Manual

Public Address Amplifier

PAM-312/324/336/348

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Summary of Contents for PAM-312

Page 1: ...Operation Manual Public Address Amplifier PAM 312 324 336 348...

Page 2: ...ect the power supply cord plug from the AC receptacle The mains plug of the power supply cord shall remain readily accessible CAUTION These servicing instructions are for use by qualified service pers...

Page 3: ...fety Instructions 2 Features 3 Contents and Accessories 3 Front Panel 4 Rear Panel 6 Applications 11 How to Mount the PAM Module 12 Precautions to Mount the FM Tuner Module 12 Troubleshooting 13 Block...

Page 4: ...ters stoves or other apparatus including amplifiers that produce heat 9 do not defeat the safety purpose of the polarized or grounding type plug A polarized plug has two blades with one wider than the...

Page 5: ...S VARIOUS INPUT TYPES INCLUDING 3 MIC LINES 3 LINES A STEREO INPUT AND A TEL IN EACH CHANNEL HAS ITS OWN VOLUME CONTROL A MIXED SIGNAL OUTPUT MIX OUT IS PROVIDED A TONE BASS TREBLE FUNCTION IS ADOPTED...

Page 6: ...ed if the controls are set too high 3 MAIN VOLUME CONTROL It is a control to adjust the volume of the entire signal set by each input volume control Turn the knob clockwise to increase the volume 4 CH...

Page 7: ...Volume control not to keep the output level indicator red 10 MODULE INPUT PORT It is a slot to mount the sound source module The modules that you can mount are as follows PAM cdu cd dA cd MP3 usb PAM...

Page 8: ...s by using the speaker selection switches in front or the cH 1 2 3 4 and 5 buttons of the rM 05A before connecting with the speaker s unplug the power cord Then connect the speaker s to use with the s...

Page 9: ...sensitivity is set to 20 dbV 100 mVrms 6 TEL IN PRIORITY ADJUSTMENT VOLUME TEL IN MUTE It adjusts how much the INPuT 1 INPuT 2 and cHIMe sounds are decreased when a signal is input into the Tel IN ter...

Page 10: ...h on off If not using a condenser microphone make sure to turn the PHANTOM switch off If you turn on the PHANTOM switch when the source device is connected be careful else the device may break down 2...

Page 11: ...ed down according to the values adjusted by the Tel IN Priority Adjustment Volume and the INPuT 1 and 2 Priority Adjustment Volume 12 EXTERNAL CHIME EXT CHIME SWITCH TERMINAL It is a terminal to conne...

Page 12: ...lume in the front panel Make sure to power off the device before connecting or disconnecting the rM 05A Pin 1 Remote amplifier input signal hot Pin 10 DC 24V Pin 2 Remote amplifier input signal cold P...

Page 13: ...PublIc Address AMPlIfIer 11 PAM 312 324 336 348 Applications Applications AMPLIFIER RM 05A EM INTERNET STREAMING RECEIVER MIC MIC MIC MIXER MUTE CHIME TELEPHONE PAGING AUTOMATED REMOTE MESSAGE...

Page 14: ...ount it again and fix it carefully with screws 8 Turn on the device again and check whether the module is turned on 9 Adjust the output volume by using the volume control in the module 10 Adjust the M...

Page 15: ...icator is red Volume downthe Main Volume control 2 check whether the impedance of connected speaker is lower than the regulated impedance The audio signal is distorted 1 check whether the channel volu...

Page 16: ...m Block Diagram 5 672 72 78 3 5 9 2 89 5 672 2 7 88 2 72 8 3 2 8 8 8 A8 2 4 2 7 7 2 7 7 4 4 2 7 7 73 8 2 2 3 2 3 2 3 2 3 2 3 2 3 2 3 A8 2 A8 2 2 8 72 8 2 3 8 5 28 7 7 7 7 38 7 38 8 87 6 6 8 3 7 7 7 2...

Page 17: ...5 672 72 78 3 5 9 2 89 5 672 2 7 88 2 72 8 3 2 7 8 8 8 A8 2 4 2 7 7 2 7 7 4 4 2 7 7 2 7 72 73 2 8 2 2 3 2 3 2 3 2 3 2 3 2 3 2 3 A8 2 A8 2 2 8 72 8 2 3 8 5 28 7 7 7 7 38 7 38 8 87 6 6 8 87 5 87 7 38 7...

Page 18: ...1 60 20dBV INPUT 2 60 20dBV INPUT 3 60 20dBV INPUT 5 INPUT 4 20dBV 20dBV 20dBV INPUT 6 RM 05A 20dBV INPUT 6 50 10 MIC LINE 50 10 MIC LINE SIGNAL DETECTION TEL IN MUTE MIX MIX GAIN GAIN GAIN GAIN LIMM...

Page 19: ...edance lINe 20dbV 30k balanced Input 6 Input Impedance lINe 20dbV 20k un balanced Tel IN Input Impedance 20dbV 0dbV 40k balanced eXT IN Input Impedance 0dbV 40k balanced MIX OuT 0dbV balanced speaker...

Page 20: ...PublIc Address AMPlIfIer 18 PAM 312 324 336 348 DIMENSIONS 358 132 420 420...

Page 21: ...s available by contacting your warranty provider Variations and Options Variations and Options Variations Products supplied through legitimate sources are compatible with local Ac power requirements O...

Page 22: ...NOTe...

Page 23: ......

Page 24: ...company but rather a global company that is truly international in scope with factories and offices in Korea and china and sales and marketing operations located in Japan europe and the u s A With mo...

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