DT DT-ENG-25D4-V1 2-Wire Intercom System User Manual

This user manual provides instructions for the installation, operation, and setup of the DT DT-ENG-25D4-V1 2-wire intercom system.

Brand: DT
Document type: User Manual
Language: English
Pages: 12
File format: PDF
File size: 1.2 MB
Published: 14 October, 2026
Updated: 14 October, 2026
MD5 checksum: 9F74FAC2A00237A0ED694BD598654688
PDF: DT DT-ENG-25D4-V1 2-Wire Intercom System User Manual PDF

About this manual

The document serves as a comprehensive guide for the DT-ENG-25D4-V1 indoor monitor unit. It details the physical parts and functions, including the microphone, LCD screen, and various buttons like MENU, TALK, and UNLOCK. The manual explains how to mount the device and wire it correctly using special 2-wire cables.

What's inside

Parts and Functions
Monitor Mounting
Main Menu Navigation
Door Release Operation
Intercom Function
Basic Setup Instructions
Date and Time Setting
Restore to Default
Unlock Parameter Settings
Screen and Volume Adjustment

Specifications

Power supply for indoor monitor	DC 24V
Power consumption (Standby)	0.5W
Power consumption (Working status)	5W
Monitor screen size and type	4 Inch color LCD
Display Resolution	320(R,G,B) x 240 pixels
Video signal standard	1Vp-p, 75Ω, CCIR standard
Wiring type	2 wires, non-polarity
Dimension (H x W x D)	199x135x23 mm

Frequently asked questions

How long can communication last after pressing the TALK button?

Communication with the visitor lasts for 90 seconds.

What happens if nobody answers the phone during a call?

The screen will turn off automatically after 30 seconds.

How many monitors can be connected in one apartment?

Maximum 4 monitors can be connected (one master and three slaves).

Can the unlock time for the door be adjusted?

Yes, the unlock time can be set from 1 to 9 seconds.

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