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General| Brand | ASL INTERCOM |
|---|---|
| Model | PS 278 |
| Category | Intercom System |
| Language | English |
Advises connecting to clean safety earth outlets and avoiding dimmer-controlled lighting.
Stresses checking the unit's voltage setting against the local mains voltage before connection.
Explains the colour coding of mains lead wires for correct connection.
Emphasizes connecting the safety earth wire for personal safety and proper operation.
Details the steps for powering up the unit, including switch operation and LED indicators.
Describes internal wiring changes for 115V AC and 230V AC settings.
Specifies the correct fuse ratings (mA) for different mains voltage ranges.
Details the Power ON/OFF switch, Overload LED, and Power LED.
Explains volume controls for headset listen level and sidetone trimmers for monitoring own voice.
Details the Talk buttons for channel communication, including latched and momentary switching.
Describes the Call A & B buttons for activating the CALL system and buzzer.
Details best practices for cable installation, including earthing, shielding, and EM mitigation.
