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H B - 7 0 2 / H B - 7 0 4 T w o - a n d F o u r - C h a n n e l

2 - 1

INSTALLATION

1. Unpack the unit and inspect for any damage that may have occurred

during shipping.

2. Connect the intercom lines. If less than the maximum number of intercom

lines are to be connected, link unused intercom inputs to a connected

input with jumper wires.

3. Install the HB-702 or HB-704 into the two-gang outlet box.

For additional information, refer to the

Clear-Com System

Installation Manual.

4. Connect the appropriate headset or handset.
5. Set listen levels and sidetones.

Refer to the listen level and sidetone setting topics in the

Operation

sec-

tion of this manual.

6. The headset station should now be operating properly.
7. Read the rest of this manual for further information.

Содержание HB-702

Страница 1: ...HB 702 TWO CHANNEL HEADSET STATION HB 704 FOUR CHANNEL HEADSET STATION I N S T R U C T I O N M A N U A L CLEAR COM ENCORE ...

Страница 2: ...rse engineering No part of this document may be reproduced in any form by any means without prior written authorization of Clear Com an HME Company www clearcom com Clear Com Contacts Americas and Asia Pacific Headquarters California United States Tel 1 510 337 6600 Email CustomerServicesUS clearcom com Europe Middle East and Africa Headquarters Cambridge United Kingdom Tel 44 1223 815000 Email Sa...

Страница 3: ...duction 3 1 Block Diagram of HB 702 Two Channel Headset Station 3 1 Block Diagram of HB 704 Four Channel Headset Station 3 2 Troubleshooting Tips 3 2 TECHNICAL SPECIFICATIONS 4 1 HB 702 HB 704 Two and Four Channel Headset Stations 4 1 LIMITED WARRANTY 5 I Warranty Period 5 i Technical Support 5 i Warranty Repairs and Returns 5 ii Non Warranty Repairs and Returns 5 ii Extended Warranty 5 ii Service...

Страница 4: ...H B 7 0 2 H B 7 0 4 T W O A N D F O U R C H A N N E L H E A D i i ...

Страница 5: ... apparatus combination to avoid injury from tip over 11 Unplug this apparatus during lightning storms or when unused for long periods of time 12 Refer all servicing to qualified service personnel Servicing is required when the apparatus has been damaged in any way such as power supply cord or plug is damaged liquid has been spilled or objects have fallen into the apparatus the apparatus has been e...

Страница 6: ...ce with the requirement of Electromagnetic Compatibility Directive 2004 108 EC and Low Voltage Directive 2006 95 EC This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation CAUTION RISK OF E...

Страница 7: ...d HB 704 headset stations are ideal for use in theatres live performances industrial environments and small television facilities They feature speech intelligibility in all noise levels and can be customized through their programmable options Selectable multi channel talking and or listening allows the operator to communicate on one of two HB 702 or four HB 704 intercom channels The dual action ta...

Страница 8: ...e following text The HB 702 front panel is identical except the channel switch has two positions Figure 1 1 HB 704 Front Panel 1 Talk button and light The talk button activates the microphone feed to the selected intercom channel The talk button has a dual action momentary or latching depending upon how the button is pressed If desired the latching function can be defeated using an internal switch...

Страница 9: ...by having someone talk to the operator from another station 2 Press the talk button and speak into the microphone while turning the sidetone control slowly back and forth until you hear your voice at a comfortable level in the headset Note Do not force the trimpot past its stop points This will damage it 5 Channel switch This switch selects the intercom channel A B C or D on which the headset stat...

Страница 10: ... screws and loosening the bottom two screws a few turns The panel can then be leaned out from the wall The jumpers will be accessible as shown in the lower view of Figure 1 2 Figure 1 2 Internal Adjustments and Connections 7 Option Switches Two option switches are provided They should be configured when the system is set up but shouldn t need to be changed during normal operation Note The default ...

Страница 11: ...intercom line connection This connector is intended to be unplugged from the circuit board when connecting the intercom line s then plugged back on when the wiring is completed If less than the maximum number of intercom lines are to be connected to the intercom connector link unused intercom inputs to a connected input with jumper wires The connections for each pin are visible on the circuit boar...

Страница 12: ...1 and P3 must be installed when optional modules are not used When the optional four wire or TW modules are used both P1 and P3 must be removed Save these jumper plugs for possible future use Note The HB 702 and HB 704 will not operate without either these jumper plugs or the optional modules installed The orientation of P1 in J1 and P3 in J3 does not matter ...

Страница 13: ...com inputs to a connected input with jumper wires 3 Install the HB 702 or HB 704 into the two gang outlet box For additional information refer to the Clear Com System Installation Manual 4 Connect the appropriate headset or handset 5 Set listen levels and sidetones Refer to the listen level and sidetone setting topics in the Operation sec tion of this manual 6 The headset station should now be ope...

Страница 14: ...H B 7 0 2 H B 7 0 4 T w o a n d F o u r C h a n n e l H e a d 2 2 ...

Страница 15: ... any servicing other than that contained in the operating instructions unless you are qualified to do so BLOCK DIAGRAM OF HB 702 TWO CHANNEL HEADSET STA TION Figure 3 4 HB 702 Block Diagram EQ LIM Headset Mic Sidetone Null Call Light Intercom Volume TW Option Channel Switch Ch A Power Ch B Call Send Receive Headset Output Mic Mute Common 30 VDC Ground Long Line 4 Wire Input 4 Wire Output 2 Wire 4 ...

Страница 16: ...ceiving AC power 1 Check connections and cable 2 The HB 702 or HB 704 has an internal failure 2 Unit requires servicing Headset does not operate Talk button lights amber when talk button is pressed 1 The headset is unplugged the intercom level knob is turned all the way down or the channel switch is set to an unused channel 1 Adjust controls appropriately 2 Defective headset 2 Test with another he...

Страница 17: ...correctly 2 Adjust Refer to section regarding Front Panel 3 Channel not terminated 3 Set the main station or power supply termination switch for that channel to the on position 4 The channel switch is set to an unconnected channel 4 If less than the maximum number of intercom lines are to be connected link unused intercom inputs to a connected input with jumper wires 5 A headset extension cord was...

Страница 18: ...ne If equipment other than Clear Com intercom equipment must be connected to the intercom line please contact Clear Com application or service personnel for advice 2 Far too many terminations on the intercom line 2 Check all main stations and power supplies to make sure each intercom channel is terminated at only one point 3 Plug P1 missing on circuit board 3 Plug P1 must be installed in the J1 ja...

Страница 19: ...Limiter Range 15dB Program Line Input Input Impedance 5K Headset Output Load Impedance 8 Output Impedance 25 Output Limiter Threshold 5dBu 3dB Maximum Output Level before Distortion 17dBu Party Line Output Off Noise 74dBu Output Impedance 10K Party Line Input Crosstalk 60dB Max level before Clipping 12dBu Frequency Response Headset Mic Party Line 300 15KHz 3dB Party Line Headset Out 300 15KHz 3dB ...

Страница 20: ...anel Controls Indicators 1 Sidetone control 1 Talk button 1 Call button 1 Channel select switch 1 Volume control Environmental 32 122o F 0 50o C Dimensions HB 702 HB 704 4 625 in W x 4 5 in H x 1 75 in D 117 mm x 114 mm x 44 mm Weight 0 46 lbs 0 21 Kg Notice About Specifications While Clear Com makes every attempt to maintain the accuracy of the information contained in its product manuals that in...

Страница 21: ...hones and spare parts have a limited warranty of one year UHF wireless IFB products have a limited warranty of one year UHF wireless intercom systems have a limited warranty of three years All other Clear Com and Drake brand systems and products including beltpacks have a limited warranty of two years The warranty starts at the time of the product s original purchase The warranty start date for co...

Страница 22: ...ipment for repair contact a User Support Center to obtain a Return Material Authorization RMA Clear Com representatives will give you instructions and addresses for returning your equipment You must ship the equipment at your expense and the support center will return the equipment at Clear Com s expense For out of box failures use the following contact information Europe Middle East and Africa Te...

Страница 23: ...OM S SOLE AND EXCLUSIVE WARRANTY THE IMPLIED WARRANTY OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE AND ANY OTHER REQUIRED IMPLIED WARRANTY SHALL EXPIRE AT THE END OF THE WARRANTY PERIOD THERE ARE NO OTHER WARRANTIES INCLUDING WITHOUT LIMITATION WARRANTIES FOR CONSUMABLES AND OTHER SUPPLIES OF ANY NATURE WHATSOEVER WHETHER ARISING IN CONTRACT TORT NEGLIGENCE OF ANY DEGREE STRICT LIABILIT...

Страница 24: ...efects arising from installation when not performed by Clear Com lightning power outages and fluctuations air conditioning failure improper integration with non approved components defects or failures of customer furnished components resulting in damage to Clear Com provided product This limited warranty is not transferable and cannot be enforced by anyone other than the original consumer purchase...

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