Linear Delta-3 Transmitters Manuals & Support

Linear DT-4A

The Linear Delta-3 DT-4A is a four-button transmitter for gates, garage doors and access systems. It uses an 8-position coding switch with 256 codes.

It works with one DR4 four-channel receiver, two DR2 two-channel receivers or four single channel DR receivers. The battery lasts 12 to 18 months with normal use.

Buy the DT-4A (6 options)

Identify your model

The DT-4A has four buttons and a battery door over the coding switch. The instructions provided are printed for the DT-4B and cover the same coding steps. Other Delta-3 transmitters on this page: DT 1 button visor, DT-2A 2 button, DT3+1 4 channel, LB-1 Mini-T Ladybug and DTG safety edge transmitter.

Key specs

Channels	4
Format	Delta-3, 256 codes
Coding	8-position switch; keys 3 to 8 set the code
Receivers	DR4, DR2, DR or DRQ
Battery life	12 to 18 months

Manuals and documents

Installation Manual

Delta-3 Single Channel Code Setting Instructions
1 page View PDF: Delta-3 Single Channel Code Setting Instructions (opens in a new tab)
DT-2A Code Setting Instructions
2 pages View PDF: DT-2A Code Setting Instructions (opens in a new tab)
DTG Safety Edge Transmitter Instructions
2 pages View PDF: DTG Safety Edge Transmitter Instructions (opens in a new tab)

Owner's Manual

DT3+1 Instructions
1 page View PDF: DT3+1 Instructions (opens in a new tab)
LB-1 Mini-T Ladybug Instructions
2 pages View PDF: LB-1 Mini-T Ladybug Instructions (opens in a new tab)

Programming Guide

DT-4B Digital Transmitter Coding Instructions
106088 D · 1 page View PDF: DT-4B Digital Transmitter Coding Instructions (opens in a new tab)

Troubleshooting

Wrong button triggers a receiver

On single channel receivers, keys 1 and 2 pick which transmitter button triggers it.

Weak or no operation

Replace the battery when the red LED glows dimly or not at all.
Mount receivers at least 8 ft apart.

Common questions

Set keys 3 to 8 on the transmitter to any code, and set the same keys in each receiver.

Yes. Use a DR4 receiver, two DR2 receivers or four single channel receivers.

12 to 18 months with normal use.

Buy the Linear Delta-3 Transmitters

Linear DT-4A Delta-3 4-channel visor transmitter

Control remoto de cuatro botones Linear Delta 3 DT-4A

Linear DT Delta-3 1-channel visor transmitter

Transmisor de visera de 1 canal Linear Delta 3 DT

Linear DT-2A Delta-3 2-channel visor transmitter

Control remoto de dos botones Linear Delta 3 DT-2A

Linear DT3+1 Delta-3 4-channel visor transmitter

Transmisor lineal Delta 3 DT-3+1 de cuatro botones

Linear Mini-T LB-1 Delta-3 key ring transmitter

Linear Mini-T LB-1 Delta-3 key ring transmitter - view 2

Transmisor lineal Delta 3 Mini-T Ladybug LB-1

Linear DTG Delta-3 gate safety edge transmitter

Transmisor de borde de seguridad lineal Delta 3 DTG

Linear Delta-3 Transmitter Coding Instructions