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MDTK

Digital Keypad Transmitter

Installation Instructions

 

DESCRIPTION

The MDTK digital keypad is one of Linearís MegaC ode series of wireless radio controls designed for use with automatic garage door and gate operators. The MegaCode radio format provides unparalleled security with more than a million different codes.

In operation, the user enters their unique code on the unitís keypad (1 to 6 digits long) and presses the START/STOP button to activate the door operator. For up to 30 seconds after the last activation, the MDTK can be re-triggered by simply pressing the START/STOP button again. This allows the user to stop or reverse the opener quickly, without having to re-enter their code.

The MDTK has built-in keypad lighting for use at night or in dark areas. By pressing the START/STOP button first (or twice), before entering their code, the user can light up the keypad. The clear silicone keys are backlit with a pleasing green glow.

The keypad lockout timer will disable the keypad after 10 activations. The keypad must remain idle for 30 seconds before new attempts. Mega Code receivers are programmed by sending a signal from the userís transmitters. This stores the transmitterís code into the receiverís memory. The receiver will retain its memory even without power and will only activate from these ďmemorizedĒ transmitters. Each MDTK keypad code can be considered a different transmitter. Each MegaCode receiver can remember a maximum of 10 transmitters (40 for gate receivers). Any combination of portable transmitters and keypad codes up to the maximum number can be entered.

 

STEP 1 Verify Receiver Installation. Be sure the receiver is connected to the garage door operator as described in the receiverís Installation Instructions. Apply power to the operator before programming.

 

STEP 2A MDR/MDRNR/MDR2 Program button and LED Location. Locate the program button and LED on the side of this receiver case.

 

STEP 2B MDRM/MDRM2 Program button and LED Location. Locate the program button and LED on the back of the receiver case.

 

STEP 3 Program Receiver. Enter a code (1-6 digits) on the keypad and momentarily press the receiverís program button (channel one or two). The red programming LED will light if thereís room in the receiverís memory for another transmitter or keypad code. Press the START/STOP button to program the receiver. A transmitter must be entered while the receiver LED is on. The LED stays on for about 5 seconds. The LED will flicker when the receiver has accepted the transmitter.

ō      NOTE: Be sure to press the receiver program button for less than 2 seconds.

ō      WARNING! Door operator will not activate when the receiver is being programmed from the transmitter, but the door operator will activate the next time the transmitter is activated after programming.

ō      NOTE: The programming LED also monitors radio signals entering the receiver. It is common to see an occasional blink from the LED. The LED will also light when any transmitter tuned to the receiverís frequency (programmed into the receiver or not) is activated.

 

STEP 4 Add additional keypad codes. Repeat Step 3 for each keypad code required. Be sure to press the receiverís program button each time a new code is entered. If the LED doesnít come on when the receiverís program button is pressed, the receiverís memory is full. If required, use the erase function (see INFO 2) to remove transmitters from the receiverís memory.

 

STEP 5 Review Memory.  Press and hold the receiverís program button (channel one or two) until the LED begins to lash (about 5 seconds) and then release the button. Count the number of flashes. The number of flashes equals the number of transmitters and keypad codes programmed into that channel of the receiver.

ō      NOTE: Donít hold down the programming button longer than 5 seconds, the receiverís memory for that channel will be erased.

 

STEP 6  Test receiver. Be sure door area is clear. Try each keypad code. The operator should activate when the START/STOP button is pressed after entering a valid keypad code.

 

STEP 7 Mount Keypad. Use the two screws and screw anchors provided to mount the keypad to the wall. Be sure the keypad is at least five feet above the ground. After mounting the keypad, cover the screw heads using the two plugs supplied.

 

INFO-1A Opening battery compartment. The MDTK battery should last up to 5 years with normal use. To remove the battery door to replace the battery, remove the battery door retaining screws and slide the battery door off.

 

INFO-1B Replacing battery. Remove the low battery and replace it with a fresh 9-volt alkaline or lithium battery. Replace the battery door and retaining screws.

 

INFO-2 Erasing receiver memory. Transmitters may be erased from the receiverís memory by pressing and holding the receiverís program button (channel one or two) for 5 seconds or more. After the LED blinks (count of transmitters and keypad codes programmed) it will blink one more time for channel one and twice for channel 2 as the receiverís memory for that channel is erased. All transmitters for each receiver channel are erased at the same time.

 

INFO 3 Operation keystrokes. See the illustration for examples of daytime and nighttime operation.

DAYTIME OPERATION

 

NIGHTIME OPERATION

 

LIMITED WARRANTY

This product is warranted to the consumer against defects in material and workmanship for one year from the date of purchase. This warranty applies to first retail buyers of new devices. Warrantor will repair, or at itís option, replace, any device it finds that requires service under this warranty, and will return the repaired or replaced device to the consumer at the warrantorís cost. For warranty service and shipping instructions contact warrantor at the address shown below. Devices must be sent to warrantor for service at ownerís expense. The remedies provided by this warranty are exclusive. Implied warranties under state law are to the one-year period of this written warranty. Some states do not allow limitations on how long an implied warranty lasts, so the above limitation may not apply to you. In order to be protected by this warranty, save your proof of purchase and send copy with equipment should repair be required. This warranty gives you specific legal rights, and you may also have other rights which vary from state to state.

All products returned for warranty service require a Return Product Authorization Number (RPA#). Contact Linear Technical Services at 1-800-421-1587 for an RPA#  and other important details.

IMPORTANT!!!

Linear radio controls provide a reliable communications link and fill an important need in portable wireless signaling. However there are some limitations which must be observed.

v     For U.S. installations only: The radios are required to comply with FCC Rules and Regulations as Part 15 devices. As such, they have limited transmitter power and therefore limited range.

v     A receiver cannot respond to more than one transmitted signal at a time and may be blocked by radio signals that occur on or near their operating frequencies regardless of code settings.

v     Changes or modifications to the device may void FCC compliance.

v     Infrequently used radio links should be tested regularly to protect against undetected interference or fault.

v     A general knowledge of radio and its vagaries should be gained prior to acting as a wholesale distributor or dealer, and these facts should be communicated to the ultimate users.

 


 

1stdooropeners.com - Owned by 1st Garage Door Openers, Inc., an independent family owned and operated business serving the Garage Door and Garage Door Opener Industry since 1981.  Providing excellent customer service and assistance for over 25 years. We are a discount reseller of  garage door opener remotes, repair parts, keyless entry and gate operator controls for your home, business, or gated community.   We carry parts for the following garage door openers Lift-Master, Chamberlain, Sears Craftsman, Access Master, Sears Best Craftsman, Sears Automatic Door Opener, Master Mechanic, Security +, Formula 1, Garage Master, Billion Code, LiftMaster Professional, Estate Series, Premium Series, Contractor Series, Power Driver, Whisper Drive, Genie, Alliance, Norelco, Blue-Max, Lift-A-Door, Pro Max, Hercules, Stealth, Excelerator, Intellicode, Genie Pro, OverDrive, Python 2, Signature, Phantom, Legacy, Medallion, CodeDodger, Overhead Door, Genie Shop Vac, Stanley, Vemco, Quiet Glide, SecureCode, Lightmaker, Innovative Products, Whistler, U-Install, Popular Mechanics, Allister, Allstar, Pulsar, MVP, Challenger, GTO, All-O-Matic, Electrolift, Westinghouse, AM/11, Linear, Access Pro, Moore-O-Matic, MegaCode, Delta 3, MultiCode, Heddolf, ESP Micom, Intercontinental Dynamics, Crusader, Wayne Dalton, iDrive, Door Master, Quantum, Classic Drive, Tec Key, Martec, Monarch, Telectron and other garage door openers, and gate operators. Brand names of Garage Door openers are registered trade names of the respective entities and are only used for reference.

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