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Adjusts the volume heard at the internal handset. Mounting Tips: BPT HA-200 Speech Amplifier | PDF - Scribd
: Audio signal received from the receiver (Speech Out). Terminal 14 : Enabling control. bpt ha 200 manual
If you have followed this guide and your HA 200 still refuses to work, it is likely time to contact a professional intercom technician. However, in 90% of cases, cleaning the hook switch or resetting the DIP switches solves the problem. Adjusts the volume heard at the internal handset
Hydraulic fluid is overheating.
: Common call line (used for the witness/confirmation note). If you have followed this guide and your
Open the handset carefully (some require removing a screw under the label). Inside, near the circuit board, you will find a red or blue 4-position DIP switch block.
: Audio signal transmitted to the receiver (Speech In).