ClearCom KB-212 Manual de usuario descargar pdf (Pagina 11)

KB-212 Speaker Station Clear-Com Intercom Systems

Rev. B

Solution: Check connections and cable.

Scenario 2

The KB-212 has an internal failure.

Solution: Unit requires servicing.

• System operates incorrectly. The Talk Light does not come on

when Talk button is pressed or stays on until Talk button is

pressed and the Speaker is off when it should be on.

Scenario 1

Operating Mode switches are set incorrectly.

Solution: Refer to the option switch setting section of this manual.

•

Speaker does not operate. The Talk Light comes on when Talk

button is pressed

Scenario 1

Intercom Level knob turned all the way down.

Solution: Adjust control appropriately.

Scenario 2

Speaker plug or wiring has come loose.

Solution: Make sure speaker is connected internally.

Scenario 3

Plug P3 missing on circuit board.

Solution: Plug P3 must be installed in jack J3 if the EB-4W or EB-TW option is

not used.

• Hum or buzz in system

Scenario 1

Inductive pickup caused by close proximity of this speaker station or

connected stations to power lines or transformers.

Solution: Relocate the offending unit or wiring. If the cable run is exceptionally

long, consider adding and using the EB-4W 4-Wire Option Module. (Requires

an additional 4-wire interface at the opposite end of a “long run.”)

•

System feedback (Acoustical)

Scenario 1

Intercom Level control at this station or another station is set too high.

Solution: Adjust.

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ClearCom KB-212 Manual de usuario Pagina 11