ALcom AT6128 Podręcznik użytkownika - Strona 13

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Ring once then disconnect when receiving a call. Dialing function is still available

Check if connector is in a moist environment.

Check if too many extensions are used together or the quality of extension is not good enough,

change the bad extension.

LCD become dim

Check if LCD contrast is properly set or if the batteries are weak. Adjust LCD contrast, if the

LCD is still dim, replace the batteries.

No ring

Check if the RING tone is in the OFF state, reset it.

Most of the functions failed

Check if the battery is too low ,change the battery; if the battery is in normal state ,unplug the

telephone line first, remove the battery, and reinstall it after 10 minutes.