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
Page 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...
Page 2: ......
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 15: ...2820A 02 2820A 03 CHAMBER COMMUNICATOR USER MANUAL 2820A 02 UM REV 1 0 11 4 4 DRAWING OPERATOR HEADSET CONNECTIONS...
Page 16: ...2820A 02 2820A 03 CHAMBER COMMUNICATOR USER MANUAL 2820A 02 UM REV 1 0 12 4 5 DRAWING PUSH TO TALK CONNECTIONS...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
