TOA Electronics HB-1 operating instructions Surface

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Step 8. Reinsert the detachable input connector into the unit's socket, then fit the unit in the mounting bracket.

Detachable input connector

Mounting bracket

Step 9. Rotate the lock tabs (4 places) until each contacts the fixing screw head left sticking out in Step 5.

Lock tab

Fixing screw

Lock tab screw

Step 10. Retighten both the fixing screws (4 places) and lock tab screws (4 places).

Lock tab

Step 11. Using two more supplied fixing screws, fix the unit to the mounting bracket securely at two places shown in the figure.

Note: After completing all of the above steps, check to ensure

 

that the unit is fixed securely to the wall or ceiling panel

Fixing screw

surface.

Step 12. Align the front grille with the speaker so that the four

Front grille

Stud receptacle

stud screws align with the unit's corresponding stud

 

 

receptacles, then push the grille onto the speaker.

 

 

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Contents Operating Instructions Table of ContentsWhen the Unit is in Use Safety PrecautionsSafety Symbol and Message Conventions When Installing the UnitGeneral Description FeaturesHandling Precautions Nomenclature and DimensionsFront Vertical cross-sectional Horizontal cross-sectional InstallationContents Flush Wall or Ceiling MountingWhen mounting the bracket to the ceiling panel When mounting the bracket to two-by-four constructionSingle connection Bridge connection Terminals to use with a screwdriverSurface Front grille installation Suspending the unit Bolt suspension Wire SuspensionSuspending the Unit in the Ceiling Matching Transformer Installation Recommended Filters for the HB-1 Level balance adjustmentPolarity adjustment Crossover Connections with a FULL-RANGE SpeakerHigh-impedance amplifier low-frequency threshold Matching transformer low-frequency thresholdAccessories Specifications