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First, starting up steps:

4. 

OPERATING INSTRUCTIONS

1. ensure correct setting method and connection according to instructions.

2. check if short circuit of the input output connection.

3. check whether the local power system data is correspondence with that in the manual.

4. ensure the power switch is 0FF, the volume to be minimum.

5. switch power on, then turn on audio devices , switch pre amplifier (itself) ON, clockwise 

    adjust the volume knob clockwise to proper position.

6. turn on the assistant devices and power amplifier and check them if all work properly.

Second, shutdown steps:

1. counterclockwise adjust the volume knob to be minimum (power amplifier and pre-amplifier).

2. switch power amplifier off to be OFF.

3. switch pre amp off ( itself) to be OFF. Then turn off assistant and audio devices in turn,

8

Fault phenomenon

There is no sound output 
when the line connection is good

The cause of the problem

1.No electricity or plug contact undesirable
2.The fuse was burn out
3.The volume is not open
4.No input signal

Normal startup, the alarm triggered

1. Load short circuit or damaged
2. Power supply voltage is not stable, too high or 
    too low
3. Overload

In the normal use of all of a sudden 
no sound output

1. Temperature is too high, the machine in
     temperature protection
2. Loose cable connection

                                          

 

5 . T R O U B L E  S H O O T I N G

Содержание T-6240

Страница 1: ...H 2 CH 1 AUTO ALL ON OFF BASS BASS BASS BASS BASS BASS BASS BASS BASS TREBLE TREBLE TREBLE TREBLE TREBLE TREBLE TREBLE TREBLE TREBLE 0 0 0 0 0 0 0 0 0 10 10 10 10 10 10 10 10 10 ON ON ON ON ON ON ON O...

Страница 2: ...TABLE OF CONTENTS 1 SAFETY PRECAUTIONS 3 2 FEATURES 5 3 NOMENCLATURE AND FUNCTIONS 3 1 Front Panel 6 3 2 Rear Panel 7 4 OPERATING 8 5 TROUBLE SHOOTING 8 6 APPLICATIONS 9 7 SPECIFICATIONS 10 2...

Страница 3: ...in fire or electric shock Be sure to replace the unit s terminal cover after connection completion Because high voltage is applied to the speaker terminals never touch these terminals to avoid electr...

Страница 4: ...sooty smoke or steam as doing otherwise may result in fire or electric shock When the Unit is in Use Do not place heavy objects on the unit as this may cause it to fall or break which may result in p...

Страница 5: ...utomatically and manually When in the state of automatic paging tone and volume can be adjusted by MIC channel with the top priority When in the state of manual paging tone and volume can be adjusted...

Страница 6: ...SS BASS BASS BASS BASS BASS BASS BASS TREBLE TREBLE TREBLE TREBLE TREBLE TREBLE TREBLE TREBLE TREBLE 0 0 0 0 0 0 0 0 0 10 10 10 10 10 10 10 10 10 ON ON ON ON ON ON ON ON OFF OFF OFF OFF OFF OFF OFF OF...

Страница 7: ...11 NOMENCLATURE AND FUNCTIONS 7 CH 1 CH 2 CH 3 CH 4 CH 5 CH 6 CH 7 CH 8 EMC INPUT OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT 2 INPUT INPUT INPUT INPUT INPUT INPUT INPUT INPUT 1 12 13 14 E...

Страница 8: ...Second shutdown steps 1 counterclockwise adjust the volume knob to be minimum power amplifier and pre amplifier 2 switch power amplifier off to be OFF 3 switch pre amp off itself to be OFF Then turn o...

Страница 9: ...N CLOSE PLAY STOP NEXT PREVIOUS ON OFF POWER OPEN CLOSE PLAY STOP NEXT PREVIOUS ON OFF POWER ON OFF POWER CLIP TEMP VOLUME PROT 5 0 1 2 3 4 6 7 8 9 10 SIGNAL ON OFF POWER CLIP TEMP VOLUME PROT 5 0 1 2...

Страница 10: ...VITY EMC INPUT SENSITIVITY MIC INPUT SENSITIVITY LINE OUTPUT 10K OVERLOADED EQ LINE FREQUENCY RESPONSE THD 350mV 775mV 5mV 1 0V Bass 100Hz 10dB Treble 10KHz 10dB 20Hz 20KHz 1dB 0 1 70dB POWER SUPPLY D...

Страница 11: ...PUBLIC ADDRESS SYSTEM VersionV0 1...

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