HDS-16 & HRM-16 Manual.indd - Furman Sound

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HDS-16/HRM-16 HEADPHONE DISTRIBUTION SYSTEMCHANGING THE TALKBACK MODEA jumper located inside the HDS-16 selectsbetween two talkback modes.1. Use a a Phillips screwdriver to unscrew themiddle two screws located near the top of thefront panel and all screws on the top.Figure 4: Detail of HDS-16 front panel:¼-inch inputs and Solo interface2. Remove the top cover. You will see the leftfrontcorner of the main PCB.3. Lift the jumper from the J-2 two-pin header andmove it to J-1 to change the talkback modefrom Live/Stage to Studio mode.SOLOThis feature allows musicians at the HRM-16sto hear rough and fi nal mixes or soloed tracksfrom the recording console without exiting tocontrol room or manually altering the HRM-16’slevel controls. The HDS-16 solo feature requirespatching the mix console’s main or mixoutput to the HDS-16’s channel D input.Note: After using the solo feature to listen tothe main console mix between takes, turn thechannel D level control off (to 0) on all HRM-16sbefore resuming recording. It is easy to forget toturn down channel D because you will still hearthe intended channel mix but the main consolemix will also be present.Figure 4 shows the solo interface, labeledCHANNEL D LEFT & RIGHT ONLY becauseall HRM-16 outputs are muted when the SOLObutton is depressed except Channel D. Aswitch can be plugged into the ¼-inch SOLOREMOTE SWITCH connector to turn the solofunction on/off. The SOLO ON LED indicatorlights when the solo function is active.Figure 5: HDS-16 rear panel5
HDS-16/HRM-16 HEADPHONE DISTRIBUTION SYSTEMNote: The remote and front panel switchesare wired in parallel. Although either switchcan activate the SOLO function, both mustbe in the off position to deactivate it.REAR PANELThe HDS-16 rear panel has six, 50-pin, Centronicsoutput connectors for the HRM-16s,AC-power, and ground switches (Figure 5).While male-to-male Centronics cables areavailable from computer re tail ers, Furmanmanufactures superior quality cables withtwisted pair con struction to optimize soundquality and reject cross-talk interference. Wehighly recommend using the 25 twisted pair,shielded, 25-ft cable supplied with each HRM-16. Contact Furman for other cable lengths andlinking adapt ers.Note: The maximum recommended cable runis 200 ft. See Table 1 on page 8 for informationabout cable losses beyond 100 ft.Push the AC-power switch up to the ON positionto power the HDS-16.The GROUND lift switch has two positions:LIFT: Signal ground is separate from chassisground. Earth ground (AC line cord) is connectedto the chassis only.GROUNDED: Signal ground is connected tochassis ground; use this setting unless there ishum or noise present.Note: Be sure all units are turned off before connectingan HDS-16 to one or more HRM-16’s.Figure 6: HRM-16 top panel6
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HDS-16 & HRM-16 Manual.indd - Furman Sound

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