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Product detailsComfort bus telephone with colour monitor 8.8 cm for door and internal telephony. With the functions calling, speech, vision, door release, light, storey call/switching/control functions and internal communication. Performance features: • Integrated video memory for 28 colour images (720 x 576 pixel). Further additional power supply required. • Upgradable with SD card (up to 32 GB). • Integrated 5-way control button for operation of the video memory, zoom, … • Hearing protection, audio and video privacy device integrated. • Muting and status display • Parallel switching of max. 8 BTCV 850-… devices (additional installation/supply required) • Call differentiation for storey call, 2 door calls and internal call. • Call generator with 11 call tone sequences, including chime • Call volume adjustable in 5 stages up to max. 83 dB(A). • 8 display LEDs (e.g. door open) 8 function buttons, 7 freely programmable and capable of double assignment without additional installation for activation via bus cores, e.g. for internal telephony • Door call acceptance • Doormatic • Call forwarding • Door release/light function at any time using bus cores • Door/video connection possible at any time • Base plate with pre-installable terminals • Can be used with table-top accessory ZTCV 850-… as a table-top device Technical dataOperating voltage: | via In-Home bus | Operating current: | on supply via +M/–M max. 350 mA | Contact type: | potential-free S1/S1 max. 15 V AC, 30 V DC, 1 A switching time 0.4 sec - 19 min | Ambient temperature: | +5 °C to +40 °C | Dimensions (mm) W x H x D: | 106 x 278 x 46 |
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