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2820A-02 & 2820A-03 CHAMBER COMMUNICATOR USER MANUAL 

 

2820A-02-UM 

REV 1.0 

2 

2  SPECIFICATIONS 

2.1 

ELECTRICAL 

Input Impedance (Each Input)  ................................................................................... 250 Ohms  

Frequency Response  ........................................................................................ 300 - 10000 Hz 

Common Mode Rejection  .................................................................................. 40 dB Minimum 

Current Drain Maximum Full Volume  ............................................................................. 3 Amps 

Minimum Quiescent  ................................................................................................  0.190 Amps 

Output Impedance  ........................................................................................................... 4 Ohm 

Power Supply Voltage  ........................................ 12 VDC Nominal (9 VDC Min - 16 VDC Max) 

AC Power Operating Range  ................................................................. 90-264 VAC, 47-440 Hz 

Sensitivity (Input)  ............................................................................................................. 0.5 mV 

Output Power (RMS @ 4 Ohm Load, 12 VDC)  .................................................. 10 Watts Audio 

Battery Life ................................................................................................................... 45 Hours 

2.2 

MECHANICAL 

Panel 

............................................................................................................... Stainless Steel 

Enclosure  .........................................................................................  Black Anodized Aluminum 

Width 

........................................................................................................... 10.1 in. (25.7 cm) 

Depth 

............................................................................................................. 7.5 in. (19.1 cm) 

Height  ............................................................................................................. 8.0 in. (20.3 cm) 

Weight with Battery ............................................................................................. 14 Lbs. (6.4 kg) 

 

 

Содержание 2820A-02

Страница 1: ...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 manufa...

Страница 2: ......

Страница 3: ...MODEL 3113 4 3 11 AMRON CHAMBER COMMUNICATION BOX MODEL 3115 4 3 12 AMRON CHAMBER COMBO BOX MODEL 3125 4 3 13 AMRON CHAMBER COMBO BOX MODEL 3126 4 3 14 AMRON CHAMBER JUNCTION BOX MODEL 3127 4 3 15 AMR...

Страница 4: ...WORK 22 8 DRAWINGS 22 8 1 FRONT PANEL PARTS LOCATOR MODEL 2820A 02 23 8 2 FRONT PANEL PARTS LOCATOR MODEL 2820A 03 24 8 3 REAR PANEL PARTS LOCATOR MODELS 2820A 02 2820A 03 25 8 4 MOUNTING DETAIL MODEL...

Страница 5: ...event of a power failure along with a universal input 90 264 VAC 47 440 Hz internal power supply The 2820A 03 has all the features of the 2820A 02 but also includes a separate entertainment amplifier...

Страница 6: ...Volume 3 Amps Minimum Quiescent 0 190 Amps Output Impedance 4 Ohm Power Supply Voltage 12 VDC Nominal 9 VDC Min 16 VDC Max AC Power Operating Range 90 264 VAC 47 440 Hz Sensitivity Input 0 5 mV Output...

Страница 7: ...ER HEADSET MODEL 2460 31R The Model 2460 31R is a lightweight headset for use inside hyperbaric chambers It comes equipped with a spiral cord that can be extended up to 8 feet 2 4 meters and 4 pin con...

Страница 8: ...with a speaker on off switch This switch allows private communication when using a headset This box is approved for U S Navy chambers 3 12 AMRON CHAMBER COMBO BOX MODEL 3125 The Model 3125 is a combi...

Страница 9: ...inner and outer locks It includes all the wiring for communicators 3 16 AMRON CHAMBER ENTERTAINMENT SPEAKER MODEL 3130 The Model 3130 Chamber Entertainment Speaker includes a 15 Watt 8 Ohm music qual...

Страница 10: ...ns for the 2820A 02 apply to the 2820A 03 unless otherwise noted 4 1 OPERATOR AND LOCK CONTROLS 4 1 1 POWER SWITCH This switch controls power to the unit 4 1 2 SPEAKER SWITCH This switch allows the te...

Страница 11: ...linking at a rate of about once per second The exact amount of time is dependent on the age and condition of the sealed lead acid battery When the battery reaches its end of charge the LED will turn o...

Страница 12: ...de connect the earphone black banana plug of the headset to this jack and the microphone red to the OPERATOR MICROPHONE jack red as shown in the wiring diagram in section 4 4 In this mode the operator...

Страница 13: ...standard line level inputs of audio or video recorders with input impedances as low as 600 Ohms 4 3 BACK PANEL CONNECTIONS 4 3 1 MS CONNECTOR There is a 14 pin MS Style connector located on the back...

Страница 14: ...n The input voltage must be between 9 and 16 VDC and must be able to supply a peak current of 3 Amps for proper operation The following warning should be followed when using the EXTERNAL POWER connect...

Страница 15: ...2820A 02 2820A 03 CHAMBER COMMUNICATOR USER MANUAL 2820A 02 UM REV 1 0 11 4 4 DRAWING OPERATOR HEADSET CONNECTIONS...

Страница 16: ...2820A 02 2820A 03 CHAMBER COMMUNICATOR USER MANUAL 2820A 02 UM REV 1 0 12 4 5 DRAWING PUSH TO TALK CONNECTIONS...

Страница 17: ...2820A 02 2820A 03 CHAMBER COMMUNICATOR USER MANUAL 2820A 02 UM REV 1 0 13 4 6 DRAWING 2820A 02 2820A 03 TO CHAMBER WIRING DIAGRAM...

Страница 18: ...ll start to blink when the battery has approximately 3 hours operating time remaining To maximize the service life the battery should be recharged as soon as possible after the indicator starts to bli...

Страница 19: ...ctive unless one of the two push to talk controls PUSH TO TALK SWITCH or PUSH TO TALK JACK are active This eliminates any possible acoustic feedback between the operator s microphone and the PANEL SPE...

Страница 20: ...t volume controls to mid scale The operator and chamber occupants use headsets While talking to each other the operator adjusts volume controls as below OPERATOR VOLUME While the chamber occupant is t...

Страница 21: ...red banana plug and the headset is the black banana plug 5 Plug the microphone lead into the OPERATOR MICROPHONE red jack and the headset lead into the OPERATOR HEADSET black jack 6 Don the headset an...

Страница 22: ...The chamber communicator is designed to provide years of continuous failure free service when properly used and maintained There are a few important things that the user can do to extend the life of...

Страница 23: ...t regularly connected to AC power 3 Perform the 2 Wire and Full Duplex 4 Wire system checks as described in section 4 2 6 3 4 YEARLY CHECK For maximum service life it is recommended that the chamber c...

Страница 24: ...If the BATTERY CONDITION INDICATOR indicates a low blinking LED or bad off LED after charging then either the battery is bad and needs to be replaced or the charger has malfunctioned 7 3 UNIT NOT OPER...

Страница 25: ...or corrosion or other defect Replace if necessary If the operator is using a headset remove the headset and listen to the chamber using the PANEL SPEAKER If this solves the problem then the operator h...

Страница 26: ...re pairs for all communication cables to prevent cable crosstalk PUSH TO TALK DOES NOT WORK If used check the connection to the handheld microphone A common issue is that the yellow banana plug is not...

Страница 27: ...2820A 02 2820A 03 CHAMBER COMMUNICATOR USER MANUAL 2820A 02 UM REV 1 0 23 8 1 FRONT PANEL PARTS LOCATOR MODEL 2820A 02...

Страница 28: ...2820A 02 2820A 03 CHAMBER COMMUNICATOR USER MANUAL 2820A 02 UM REV 1 0 24 8 2 FRONT PANEL PARTS LOCATOR MODEL 2820A 03...

Страница 29: ...2820A 02 2820A 03 CHAMBER COMMUNICATOR USER MANUAL 2820A 02 UM REV 1 0 25 8 3 REAR PANEL PARTS LOCATOR MODELS 2820A 02 2820A 03 MS 3102A 20 27P ME161 2003 180 1013 01...

Страница 30: ...2820A 02 2820A 03 CHAMBER COMMUNICATOR USER MANUAL 2820A 02 UM REV 1 0 26 8 4 MOUNTING DETAIL MODELS 2820A 02 2820A 03...

Страница 31: ...on reference designator value radio model number and serial number Failure to provide sufficient information may hinder our ability to fill your parts orders promptly and correctly 9 1 MODELS 2820A 02...

Страница 32: ...art Number Description Quantity SW 201 SWITCH TOGGLE ON OFF DPDT 1 SW 208 SWITCH TOGGLE DPDT MOM 1 1498 102 JACK BANANA RED 2 1498 103 JACK BANANA BLACK 2 1498 107 JACK BANANA YELLOW 2 SWB 0001 BOOT T...

Страница 33: ...of misuse negligence accident repair or alterations SERVICE POLICY For technical assistance or to request a repair please complete the Amron Communicator Repair Request form at https www amronintl co...

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