Aiphone AI-MS900 instruction manual Connection and Adjustment, External speaker connection

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7.2. Connection and Adjustment

7.2.1. External speaker connection

Follow the procedures below when connecting an external speaker (8Ω).

Step 1. Remove the AI-MS900's rear terminal cover and set the internal slide switch to the [EXT. SP] position.

Internal/External speaker selection switch

Terminal cover

EXT.SP terminal

Microphone sensitivity control

Internal speaker volume control

Step 2. Connect the speaker cable to EXT.SP terminal.

Speaker cable

Step 3. Replace the removed terminal cover in place.

7.2.2. Internal speaker volume and microphone sensitivity adjustment

The AI-MS900's internal speaker volume and microphone sensitivity can be adjusted by means of their respective controls located under the terminal cover described above. Both controls are factory-preset to their maximum positions.

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Contents Master Station Table of Contents FCC Requirements Safety PrecautionsIndustry Canada Requirements Installation PrecautionsView a General DescriptionNomenclature and Functions FrontWall mounting InstallationMounting Desk-top mountingExternal speaker connection Connection and AdjustmentCalling a Substation OperationCalling a Master Station Telephone Response with the PTT key Being CalledDuplex conversation Voice-operated switching conversation VOXConversation Method Press-to-talk control conversation PTTCalling party display Calling Party Display and Selective ResponseCalls are displayed in the following order of priority Operation Selective responseAuto dialing key call Auto DialingAuto dialing key registration Auto dialing key registration erasure 3456Auto dialing key registration confirmation Accessories SpecificationsRedial
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