SITC of Weekly Timer shall be used in applications s that need regularly timed messages, signals or other controls.The Timer Module shall have : u Two weekly programsu 14 Chimesu Six contact outputsu Automatic daylight/standard timeu BGM level control Frequency response 20 Hz to 20 kHz (-3 dB)Total harmonic distortion < 0.01 % (1kHz)S/N <85 dBDynamic range >100 dB
SITC of Six-zone system pre-amplifier,shall support single or dual channel operation.With following features: 1. Two input channels for call stations 2. Universal input for microphone/line, with speech optimized tone control3. Three inputs for BGM selection and music optimized tone control4. Front panel zone selection for BGM and call station zone selection for calls Technical SPecifications:Frequency response 50 Hz to 20 kHz (+1 / -3 dB)Distortion <0.5%CMRR >40 dB (50 Hz – 20 kHz)