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1. FEATURES ON THE CONTROL PANEL

➀ 

On/Off Switch:    

                

 This switch switches the amplifi er on and off.

 

On indicator:  

                      

This green LED lights when the amplifi er is on.

 LA +18 dB indicator:

         

 This red LED lights, when the signal level on the teleloop  

 

     amplifi 

er 

has 

reached 

maximum. 

With 

correct 

amplifi 

er 

     adjustment 

this 

LED 

should 

never 

light.

      

 

INPUT +10 dB indicator:  

  

This red LED lights, when any one of the two to fi ve +10 dB    

 

 

 

 

 

indicators on the back of the amplifi er lights. With correct 

 

 

 

 

 

amplifi er adjustment this LED should only blink when there are  

 

 

 

 

 

loud passages otherwise the level of the signal fed to the input  

     of 

the 

amplifi 

er 

is 

too 

high.

 

REC indicator:   

                   

This green LED lights, when REC function is chosen. The green  

 

 

 

 

 

LED is turned off, when the play function is chosen.

 

AGC indicator:     

            

This green LED lights, when the AGC-circuit is active. 

 Display

 

4 function keys:             

      

The LogiBit 1200 amplifi er’s 4 function keys are described in    

     section 

2.1 

Function 

keys. 

LogiBit 1200 manual

Features on the Control Panel

1

Summary of Contents for LOGIBIT 1200

Page 1: ...LOGIBIT 1200 MANUAL...

Page 2: ...URES ONTHE BACK PANEL 8 3 1 General 8 3 2 Options 10 3 3 Installation of front to 19 rack 11 3 4 Fuses and 115 230 volt AC exchanger 11 3 5 Control port 12 3 6 Serial port 13 4 SAFETY INFORMATION 14 5...

Page 3: ...to five 10 dB indicators on the back of the amplifier lights With correct amplifier adjustment this LED should only blink when there are loud passages otherwise the level of the signal fed to the inpu...

Page 4: ...he menu structure The key is also used to change decrease a parameter 2 2 MENU POINTS SERVICE MODE The individual parameters in the amplifier can only be changed when the LogiBit amplifier is in SERVI...

Page 5: ...position the amplifier calibrates with the teleloop cable When the calibration is finished AUTOCAL should be in the OFF position Thereby you avoid hearing on the teleloop the calibra ting signals the...

Page 6: ...d be reduced MIX OUT This menu point determines whether a signal connected to an input can be heard on the teleloop LA or not NONE REC 1 2 Select this menu point to change the parameters for the wire...

Page 7: ...5 2 3 ILLUSTRATION OF MENU STRUCTURE LogiBit 1200 manual Menu Structure...

Page 8: ...6 LogiBit 1200 manual Menu Structure...

Page 9: ...7 LogiBit 1200 manual Menu Structure...

Page 10: ...move the earth or you run the risk of getting an electric shock FUSE COMPARTMENT This contains the AC fuses The fuse compartment makes it possible to choose between 230 volt AC or 115 volt AC NB See A...

Page 11: ...m potentiometer is adjusted so that the 10 dB does not light constantly The light should only blink during loud passages otherwise the signal is too high PHA PWR When this switch is active it gives a...

Page 12: ...ns should only be undertaken by qualified personnel Removing the Remove the 3 screws on the top of the amplifier Place the tip of blank panel a screwdriver in the hole in the panel and pull downwards...

Page 13: ...ed with a small screwdriver on the trim control Turn the trim control fully to the left and the receiver is least sensitive i e it requires high levels of noise to activate the receiver Turn the trim...

Page 14: ...nnected from pin 20 to pin 7 When the contact is activated If the wireless microphone is switched on when the contact is activated the microphone will switch off If the wireless microphone is switched...

Page 15: ...amplifier is turned on The diode is connected from pin 25 to pin 13 3 6 SERIAL PORT Serial plug connections Pin 1 4 6 7 and 9 are not used Pin 2 receives data input Pin 3 transmits data output Pin 5 i...

Page 16: ...n or moisture CAREFUL This terminal is used only as a common ground of the units to avoid unwanted noise between the units The amplifier should not be covered There should be free air circulation duri...

Page 17: ...15 6 BLOCK DIAGRAM LogiBit 1200 manual Block Diagram...

Page 18: ...mV Line in 2 5 kohm 34 dBu 15 mV Tape input 47 kohm 10 dBu 150 mV Tone control Bass 6 dB Treble 6 dB Output level Tape output 600 ohm 14 dBu 150 mV Power consumption Average load 140 W Maximum load 33...

Page 19: ...nd line input 15 volt phantom power option for each microphone input Bass and treble adjustment Manual mute of selected input via keys on front panel Remote mute of selected input via contact closures...

Page 20: ...Your local dealer or service agent Strandvejen 58 tel 45 3917 7101 e mail info phonicear dk 2900 Hellerup Denmark fax 45 3927 7900 web www phonicear dk 9 001 006 060...

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