NEC MultiSync® BT421

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The 42” MultiSync® BT421 is the super wide choice for space efficient digital signage in retail environments, transportation hubs, quick service restaurants and all other public areas where space is limited.



LCD 42" Stretched Large Format Display

Where space is limited but not your message

Delivering space efficient visualisation for constricted environments such as corridors and retail shelves, this 42” bartype display offers a distinctive ultra-wide 16:4 screen ratio. High adaptability extends to both landscape and portrait orientation ideal for space-limited areas, yet content creation remains easy and effortless. Content is crisp and clear with compelling readability even in bright ambient light conditions with high brightness levels of 700 cd/m² combined with an anti-glare surface. Its modern, slim design forms an elegant digital surface which perfectly complements the surrounding architecture and integrates seamlessly into any environment.

The 42” MultiSync® BT421 is the super wide choice for space efficient digital signage in retail environments, transportation hubs, quick service restaurants and all other public areas where space is limited.


Space efficient display solution – the ultra-wide screen ratio of 16:4 with a display height of just 28.9 cm allows installation within constricted spaces, providing crisp and eye-friendly visualisation.
Robust and reliable – sealed to prohibit dust ingress, long term reliable operation is maintained within wide temperature range of 0-50°C.
Easy content adaption – the integrated trim function enables 16:9 content to be used whilst actively displaying the upper or lower area for display of native 1920 x 480 content.
Cost efficient media playback flexibility – divide a single Full HD content into two separate contents via daisy chaining for back to back installations, needing only one source to feed two screens for cost saving benefits.
Superb readability in bright light environments – crisp playback of content thanks to high brightness output of 700 cd/m² and anti-reflective screen surface delivers clearly visible messages even under varying and demanding ambient conditions.
Mission-critical 24/7 ready operation – the meticulous selection of industrial-grade components and careful design focused on demanding usage scenarios accompany an impressive and continuous viewer experience.
Cost Saving Device Management – save effort whilst managing all connected NEC devices from a centralised location by using the NaViSet Administrator 2 software tool.

Panel Technology VA with Direct LED backlights
Active Screen Area (W x H) 1,039.7 x 259.9
Screen Size 42 / 107.2
Aspect Ratio 16:04
Pixel Pitch 0.542
Brightness 700
Contrast Ratio (typ.) 4000:01:00
Viewing Angle 178 horizontal / 178 vertical (typ. at contrast ratio 10:1)
Colour Depth 1,073 (10bit)
Response Time (typ.) 8 (grey-to-grey)
Haze Level [%] Pro (44)
TNi 110
Supported Orientation Landscape; Portrait

Native Resolution 1920 x 480
Supported Resolutions 1920 x 1200;1920 x 1080;1920 x 960;1920 x 480;1680 x 1050;1600 x 1200;1440 x 900;1400 x 1050;1366 x 768;1360 x 768;1280 x 1024;1280 x 800;1280 x 768;1280 x 720;1024 x 768;800 x 600;640 x 480

Input Video Digital 2 x DVI-D (with HDCP)
Input Control LAN 100Mbit; RS232
Output Video Digital 1 x DVI-D

Power Consumption Eco/max. 50 shipping; 75 (max.)
Power Savings Mode < 0.5; < 2 (Networked Standby)
Power Management VESA DPMS

Operating Temperature +0 to +50
Operating Humidity [%] 20 to 90

Dimensions (W x H x D) 1,059.9 x 288.9 x 64.7
Weight 9.3
Bezel Width 14.7 (bottom); 7.9 (left and right); 9.8 (top)
VESA Mounting 200 x 100 (FDMI); 4 holes; 400 x 100 (FDMI); M6

Accessories Ceiling Mount (PDC BT S(single sided); PDC BT D (dual sided); PD Pole S, PD Pole M, PD Pole L, PD Pole XL); Wall mount (PDW BT L)

Energy Efficiency Energy efficiency class: C

Special Characteristics NaViSet Administrator 2; Trim Function
Safety and Ergonomics CE; REACH; RoHS; SASO
Warranty 3 years warranty incl. backlight; additional services available; optional 4. + 5. year warranty extension
Operating Hours 24-Jul

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