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Amron Amcom II 2825R-7002 User Manual Download Page 15

 

2825R TWO DIVER RACK MOUNT COMMUNICATOR USER MANUAL 

 

2825R-UM 

REV 3.0 

11 

Standby  (listen  only)  mode  at the  same  time.  Only  one  module  can  be  in  the  talk 
mode. 

4.8.5 

Headset  Jack 

– 

Located  on  the  side  opposite  to  the  ON/OFF-Volume  Control. 

Plug the remote wireless headset to this Jack. 

4.8.6 

Charge Jack 

– 

Located on the side next to the ON/OFF-Volume Control. Plug the 

remote wireless charger to this jack. 

Summary of Contents for Amcom II 2825R-7002

Page 1: ...ax 760 599 3857 Email sales amronintl com Web www amronintl com This manual and the information contained herein are provided for use as an operation and maintenance guide No license or rights to manu...

Page 2: ......

Page 3: ...Unscrambler 26DSP3 9 4 8 Option Controls Wireless Tender 28A Option 10 4 9 Drawing 2 Wire Connections 12 4 10 Drawing Full Duplex 4 Wire Connections 13 4 11 Drawing Push To Talk Microphone Connection...

Page 4: ...37 8 5 Parts Identifier Front Panel Model 2825R 24 38 8 6 Parts Identifier Options 26DSP3 28A 4002 39 9 PARTS LIST GENERAL 40 9 1 Amcom II Rack Mount Model 2825R 24 41 9 2 Amcom II Rack Mount Unscram...

Page 5: ...ender read and understand the entire manual including all warnings before first use 1 2 Electrical Specifications Input Impedance Each Input 250 Ohms Frequency Response 300 10000 Hz Common Mode Reject...

Page 6: ...d to the communicator using the rear chassis MS connector but the front panel 5 way binding post allows for ad hoc connections when required The rear chassis contains the AC power inlet recorder outpu...

Page 7: ...is warranty is limited to the repair of or replacement at Amron s option of defective material This warranty shall not cover defects which are the result of misuse negligence accident repair or altera...

Page 8: ...unicator Accessories can be ordered at any time 3 2 1 Model 2401 28 Amron Heavy Duty Headset The Model 2401 28 is a heavy duty headset with boom microphone It comes equipped with color coded dual bana...

Page 9: ...wired in 2 WIRE mode There is a speaker on off switch that allows the occupants to turn off the speaker for private conversations The operator can talk to the occupant s by using the PUSH TO TALK BUT...

Page 10: ...te this knob clockwise to increase the volume from all the divers 4 1 5 Microphone Volume This control sets the level for the tender s microphone and or PANEL MICROPHONE Rotate this knob clockwise to...

Page 11: ...the PANEL SPEAKER This module comes with 25 feet 7 6 meters of cable custom cable lengths are available The tender can also be connected in 2 Wire mode by stacking both the earphone black and micropho...

Page 12: ...allows the tender to temporarily cut off the microphone of an individual diver It can be used in 2 Wire or Full Duplex 4 Wire modes 4 3 4 Crosstalk There is a separate CROSSTALK momentary switch for e...

Page 13: ...r both the Tender and Divers This allows connection without running wires to the front panel The mating connector part number is MS 3106A 28 16P The pin functions are shown in the following table MS c...

Page 14: ...less Option Panel Comes standard with antenna and power on off switch The ON OFF switch powers the wireless PC card inside the communicator The antenna has a swivel and tilt that allows the antenna to...

Page 15: ...at the same time Only one module can be in the talk mode 4 8 5 Headset Jack Located on the side opposite to the ON OFF Volume Control Plug the remote wireless headset to this Jack 4 8 6 Charge Jack Lo...

Page 16: ...2825R TWO DIVER RACK MOUNT COMMUNICATOR USER MANUAL 2825R UM REV 3 0 12 4 9 Drawing 2 Wire Connections...

Page 17: ...2825R TWO DIVER RACK MOUNT COMMUNICATOR USER MANUAL 2825R UM REV 3 0 13 4 10 Drawing Full Duplex 4 Wire Connections...

Page 18: ...2825R TWO DIVER RACK MOUNT COMMUNICATOR USER MANUAL 2825R UM REV 3 0 14 4 11 Drawing Push To Talk Microphone Connections...

Page 19: ...2825R TWO DIVER RACK MOUNT COMMUNICATOR USER MANUAL 2825R UM REV 3 0 15 4 12 Drawing Operator Connections Headset...

Page 20: ...ver AC power is interrupted The internal rechargeable battery is maintained at full charge while the unit is operating from AC power AC power indicator on the optional panel confirms the presence of A...

Page 21: ...ined as a dual communication path a signal path a pair of wires for up link and a signal path a pair of wires for down link A common example of Full Duplex communication is the telephone Full Duplex 4...

Page 22: ...re wire is firmly fastened by the nut The nut should not be fastened on the insulation of the wire nor should any of the bare wires touch The diver microphone will be louder in Full Duplex 4 Wire mode...

Page 23: ...itches Cross talk DV 1 to DV 2 allows diver 1 to speak to but not hear diver 2 Cross talk DV 2 to DV 1 allows diver 2 to speak to but not hear diver 1 The tender will hear conversations on speaker or...

Page 24: ...h Activation of this switch connects the tender to the diver necessary for two wire conversations optional for Full Duplex 4 wire conversations Always used when using the speaker for talking to the di...

Page 25: ...t the background noise In this case it will be desirable to shut off the speaker There are other conditions when turning off the speaker is desirable situations where the nature of the work requires a...

Page 26: ...the battery If that does not resolve the problem then go to the troubleshooting section to determine the cause 4 Identify the microphone and headset leads When using an Amron headset the microphone is...

Page 27: ...SPEAKER You should be able to hear yourself in the headset Adjust the TENDER TO DIVER VOLUME if necessary and verify that the level can be adjusted to a comfortable level 8 Plug the microphone lead in...

Page 28: ...mp cloth Pay particular attention to where the various front panel components attach to the panel Inspect the switches binding posts and volume controls for smooth operation 6 3 3 6 Month Check Wipe o...

Page 29: ...very simple failures and can often be found by a very careful and close inspection of the unit or system Logical deductions and equipment familiarity can often reduce the suspected area to just one c...

Page 30: ...ate to the diver by pressing the PUSH TO TALK BUTTON and talking into the PANEL SPEAKER If this solves the problem then the tender headset may be wet or defective If the tender is using the PANEL SPEA...

Page 31: ...uickly determine the source of the acoustic feedback is to cover each active microphone with your hand one at a time Another method is to adjust the volume controls one at a time The volume control th...

Page 32: ...rly seated in the PUSH TO TALK JACK If the tender is using the PANEL SPEAKER as the microphone with the PUSH TO TALK BUTTON make sure the SPEAKER SWITCH is turned on If neither of these solves the pro...

Page 33: ...ing industry Technically it is defined as a single communication path using a minimum of 2 wires in a communication cable Being a single path there can only be one talker at a time Commonly the diver...

Page 34: ...cult to avoid feedback path that can also cause oscillation In 4 Wire mode there are two sets of wire pairs One pair carries the signal from the diver microphone to the communicator microphone input T...

Page 35: ...s around 175 Ohms These two factors combine to create a serious volume imbalance which requires higher volume settings resulting in more noise and less system stability 7 3 Why Full Duplex 4 Wire Amro...

Page 36: ...to DIVER MICROPHONE red jack and the black banana plug to DIVER EARPHONE black jack 3 Set the volume controls to mid range on the communicator Turn on the communicator There may be some acoustic feed...

Page 37: ...ctrical and mechanical details of the diver communication unit The corresponding parts lists for each drawing are detailed in the parts lists section or are included as part of the drawing All drawing...

Page 38: ...2825R TWO DIVER RACK MOUNT COMMUNICATOR USER MANUAL 2825R UM REV 3 0 34 8 1 Schematic 2825R 24...

Page 39: ...2825R TWO DIVER RACK MOUNT COMMUNICATOR USER MANUAL 2825R UM REV 3 0 35 8 2 Schematic Option 26DSP3...

Page 40: ...2825R TWO DIVER RACK MOUNT COMMUNICATOR USER MANUAL 2825R UM REV 3 0 36 8 3 Schematic 28A Wireless Tender Option...

Page 41: ...2825R TWO DIVER RACK MOUNT COMMUNICATOR USER MANUAL 2825R UM REV 3 0 37 8 4 Schematic 4002 Chamber Lock Call Option...

Page 42: ...2825R TWO DIVER RACK MOUNT COMMUNICATOR USER MANUAL 2825R UM REV 3 0 38 8 5 Parts Identifier Front Panel Model 2825R 24...

Page 43: ...2825R TWO DIVER RACK MOUNT COMMUNICATOR USER MANUAL 2825R UM REV 3 0 39 8 6 Parts Identifier Options 26DSP3 28A 4002...

Page 44: ...date To Order Replacement Parts Contact Amron international Inc 1380 Aspen Way Vista California 92081 U S A Telephone 760 208 6500 Fax 760 599 3857 Email sales amronintl com Web www amronintl com When...

Page 45: ...T PANEL ASSEMBLY N S 570 1006 02 PC CARD ASSEMBLY UNSCRAMBLER DSP3 N S 2405 28 MICROPHONE PUSH TO TALK N S 2890 04 BATTERY RECHARGE 6V GEL 5AMP N S MS 3106A 28 16P MS CONN CABLE20 PIN M N S MS 3057 16...

Page 46: ...sembly REF PART DESCRIPTION 1 2825R 24 26DSP3 001 PANEL FRONT NOT FOR SALE 3 SA818 SPEAKER 8 OHM 15 WATT 4 SW 201 SWITCH TOGGLE DPDT 5 SW 208 SWITCH TOGGLE DPDT MOM 23 SWB 0001 BOOT TOGGLE SOFT GRAY 7...

Page 47: ...ITCH TOGGLE DPDT MOM 1 LEDGREEN LED GREEN BRITE 1 LT2462 24 D51 LED BI COLOR RED GREEN 2 0034 6019 FUSE 3 15A 250V MICRO QUICK 2 0034 6617 FUSE 1 6A 250V SLOW MICRO 2 LEDHOLDER BLK 25 MOUNTING CLIP FO...

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