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1.1 

SPECIFICATIONS

Input voltage: 

24 VDC

Input current: 

7 amps maximum

Idle current: 

75 mA

Audio power (PEP*): 

Recall & tone:

  132 watts 

Voice:

 

132 watts

Frequency response: 

500–4000 Hz

Recall oscillation rate: 

5 Hz

Beam pattern: 

Omnidirectional

Transducer cable: 

25 feet in length

Transducer: 

Anodized aluminum

Fuse type: 

6 amps, slow-blow (use slow-blow fuse only)

Transducer: 

Size:

 

9 in. diameter, 6 in. axial length

Weight:

  13 lbs. in air, 2 lbs. in water

Low-battery LED: 

Flashes at approximately 20 volts

Battery type: 

Two 12-volt, 2.6 amp-hour, maintenance-free re-

chargeable cells (in series)

Battery life: 

5 hours at 20% duty cycle (Recall/Tone mode)

3 hours nominal when using auxiliary input (medium 

volume)

Microphone type: 

Push-to-talk, front panel (optional hand-held with 

PTT available)

Size: 

Depth:

  10.6 in. (including handle and hinges)

Length:

  14 in.

Height:

  4.7 in. without cover

6.5 in. with cover

Weight: 

15 lbs.

Battery charging time: 

2-3 hours (the RCS-30 automatically switches to 

maintenance mode when the battery is fully charged, 

indicated by the LED turning 

green

)

RCS-30 smart charger: 

90–260 VAC input; 24 VDC, 1300 mA, 50/60 Hz out-

put

2

* Peak envelope power

Summary of Contents for DRS-100 Mod B

Page 1: ...Undersea Systems International Inc dba OCEAN TECHNOLOGY SYSTEMS Technology in Depth Diver Recall System DRS 100 Mod B User s ManuaL...

Page 2: ...zards of diving NOTE This manual and the information contained herein are provided for use as a mainte nance and operation guide No license or rights to manufacture reproduce and or sell either the ma...

Page 3: ...attery Charging Procedure 7 3 2 Battery Removal Replacement 8 Section 4 Maintenance and Troubleshooting 10 4 1 General 10 4 2 Preventive Maintenance 10 4 2 1 Check Prior to Every Dive 10 4 2 2 Mainten...

Page 4: ...er transducer The typical range is 500 meters but depends on the biological ambient noise level Divers within range listen using only their ears no electronic equipment is necessary The DRS 100 Diver...

Page 5: ...oximately 20 volts Battery type Two 12 volt 2 6 amp hour maintenance free re chargeable cells in series Battery life 5 hours at 20 duty cycle Recall Tone mode 3 hours nominal when using auxiliary inpu...

Page 6: ...ll illuminate when power is on 4 TONE RECALL This LED illuminates red when the continuous tone is utilized and green when the intermittent tone is activated 5 Panel ReliefValve Open this valve when ch...

Page 7: ...nel speaker is used to listen to any un derwater sounds within range e g biological or from human activity The hydrophone volume control 8 adjusts the listening volume 13 Handle You will find two hand...

Page 8: ...ducer receptacle on the panel and rotate the ring until a good connection is obtained 7 Strain relieve the transducer cable by securing a rope to the strain relief clip on the transducer Additionally...

Page 9: ...olume rotate the transmit volume control Fig 1 17 clockwise Release the PTT button when you have finished transmitting 2 2 2 3 External Audio To transmit audio from an external source connect an RCA p...

Page 10: ...reased to 20 volts Although the DRS 100 can operate with as little as 12 volts we recommend that you recharge the batteries Section 3 1 as soon as possible after the LED starts to illuminate If the ba...

Page 11: ...front panel 8 After a resting period of at least 15 minutes rotate the panel s relief valve clockwise to its closed position Note The RCS 30 smart charger cannot be used as an external power supply It...

Page 12: ...13 Reconnect J8 J10 J11 J12 and J13 to the circuit board assembly J10 J11 J12 and J13 are labeled and should be connected to the corresponding plugs on the circuit board P10 P11 etc J8 is probably not...

Page 13: ...nce and troubleshooting Alist of recommended spare parts appears in the Appendix at the end of the manual For service personnel or technically inclined users documentation for more advanced troublesho...

Page 14: ...are experiencing is not mentioned in the table or if you have tried the suggested solutions and the problem persists contact Ocean Technology Systems see contact information on p 13 for technical sup...

Page 15: ...ARTS LL 98 transducer with strain relief eyelet p n 900189 000 HSM 10 deluxe noise cancelling hand held microphone p n 910041 000 Line in adapter cable p n 914024 000 optional RCS 30 smart charger wit...

Page 16: ...reserve the right to decline responsibility where repairs have been made or attempted by other than an Ocean Technology Systems factory trained service center or properly trained personnel In no even...

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