| GRD |   |   | DESCRIPTION | The GRD has a “F” connector for attaching an antenna. The | STEP 1 Open receiver case. To open case, | 
|   |   | The GRD is a digital receiver designed for use with automatic | receiver is supplied with a 9-inch local antenna, a three foot | squeeze sides of case and rotate upward. | 
| GRD-2 |   | gate operators or systems where a remote antenna is | 75 ohm coaxial cable, and a bulkhead | connector for |   |   |   | 
|   | mounting the antenna outside the gate operator enclosure. |   |   |   | 
|   | needed. The GRD-2 will operate two gates, one gate and |   |   |   | 
|   |   |   |   | an obstacle sensor, or channel one can open the gate and |   |   |   |   |   |   |   | 
|   |   |   |   | channel two can close the gate. | RECEIVER |   |   |   |   |   |   | 
|   |   |   |   | All of the Delta-3 transmitters, including the two and |   |   |   |   |   |   | 
|   |   |   |   |   |   |   | 3-FOOT |   |   |   | 
| DELTA-3 |   |   | four-channel transmitters, are compatible with the GRD. |   |   |   | CABLE |   |   |   | 
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|   |   | The Delta-3 radio format provides 256 different digital codes. |   |   |   |   |   |   |   | 
| GATE |   |   |   | The codes are set using the 8-position coding switches in |   |   |   | CASE SCREWS |   |   |   | 
| RECEIVER |   | the units. In order to avoid the possibility of duplicating codes |   |   |   |   |   |   |   | 
|   | in adjacent systems, factory set codes should not be used. |   |   |   |   |   |   |   | 
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| Installation Instructions | The receivers can operate from 12-30 volts AC or 10.5-30 |   |   |   |   |   |   |   | 
| volts DC and are normally powered from the gate operator. |   |   |   | MOUNTING |   |   |   | 
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|   |   |   |   | The relay contact(s) are rated at 5 amps @ 32 volts AC/DC |   |   |   | HARDWARE |   |   |   | 
|   |   |   |   |   |   |   |   |   |   |   | 
|   |   |   |   | NEC Class 2 circuit. |   |   |   |   |   |   |   | 
|   |   |   |   |   |   |   | LOCAL |   | NUT |   |   |   | 
|   |   |   |   |   |   |   | ANTENNA | BULKHEAD | WASHER | SQUEEZE BOTH SIDES AT TABS |   | 
|   |   |   |   |   |   |   |   | CONNECTOR | AND TILT UPWARD |   |   | 
| (800) 421-1587 • www.linearcorp.com |   |   |   |   |   |   |   |   | 
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| STEP 2A | GRD & GRD-2 Channel 1 code | STEP 2B | GRD-2 Channel 2 code setting. | STEP 3 | Transmitter code setting. Locate | STEP 4 Connect receiver relay output. | 
| setting. | To | set a code, | select any valid | Select any valid combination of ON and OFF | the coding switch on the transmitter and set the | Connect the appropriate channel wires (Ch. 1 - | 
| combination of ON and OFF positions for the | positions for each of the switch keys numbered | eight keys identical to those on the desired | two gray wires), (Ch. 2 - two yellow wires) to the | 
| switch keys numbered 1- 8. Use a paper clip to | 1 - 8. Use a different code combination than that | channel of the receiver. Be sure they match | appropriate activation terminals on the gate | 
| set the eight keys. |   | used for channel one switch. | exactly. I f | u s i n g a t w o | o r f o u r - c h a n n e l | operator. |   |   | 
| SET CODE |   |   |   | transmitter, refer to the coding instructions |   | GATE OPERATOR | 
|   |   |   | included with the transmitter for proper system |   | 
| SWITCH KEYS |   | SET CHANNEL TWO | coding. |   |   |   |   |   | MANUAL ACCESS | 
|   |   |   |   |   |   | REQUEST | 
|   |   |   |   | CODE SWITCH KEYS |   |   |   |   |   |   | 
|   |   |   |   |   |   |   |   |   |   |   | 
| CHANNEL ONE |   |   |   |   |   |   |   |   |   |   | 
| SWITCH KEYS |   | CHANNEL TWO | REMOVE BATTERY |   |   |   |   | COMMON | 
|   |   |   |   | ACCESS DOOR |   |   |   |   | 1 | 
|   |   |   |   | SWITCH KEYS |   |   |   |   | 
|   |   |   |   |   |   |   |   |   |   |   | 
|   |   |   |   |   |   |   |   | SWITCHES IN | CHANNEL | 2 | RELAY | 
|   |   |   |   |   |   |   |   | TRANSMITTER | ONE |   |   | 
|   |   |   |   |   |   |   |   | GRAY |   |   | 
|   |   |   |   |   |   |   |   |   |   | 3 24 V RADIO POWER | 
|   |   |   |   |   |   |   |   |   |   |   | 
| THIS SWITCH |   | THIS SWITCH |   |   |   |   |   |   |   | 
| HAS 2, 3 & 6 ON |   |   |   |   |   |   | OBSTACLE INPUT | 
|   |   |   |   | HAS 2, 4 & 6 ON |   | CODING |   |   |   | 
|   |   |   |   |   |   |   |   |   |   | 
| DO NOT USE: |   |   |   |   | SWITCH |   |   | YELLOW | 1 | COMMON | 
|   | DO NOT USE: |   |   |   | THIS SWITCH | 
| ALL ON; ALL OFF; |   |   |   |   | CHANNEL |   |   | 
|   | ALL ON; ALL OFF; |   |   |   | HAS 2, 3 & 6 ON | TWO | 2 | OBSTACLE | 
| ALT ON/OFF, OR OFF/ON |   |   |   |   | 
|   | ALT ON/OFF, OR OFF/ON |   |   |   |   |   |   |   | 
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| STEP 5 | C o n n e c t re c e i ver to power . | STEP 6 | Mounting the receiver. U s e the | STEP 7 | Connect antenna. C o n n e c t t h e | LINEAR LIMITED WARRANTY | 
| This Linear product is warranted against defects in material and workmanship for twelve | 
| Connect the red power input wire to the 24VDC | screws provided to mount the receiver within the | coaxial cable to the “F” connector on the receiver. | (12) months. The Warranty Expiration Date is labeled on the product. This warranty | 
| radio power and the black wire to the common | operator housing. This provides protection from | Drill a 3/8" hole on the top of the operator housing | extends only to wholesale customers who buy direct from Linear or through Linear’s | 
| normal distribution channels. Linear does not warrant this product to consumers. | 
| terminal on the gate operator. Alternately connect | the elements. Secure case with case screws. | for the bulkhead connector. Insert the connector | Consumers should inquire from their selling dealer as to the nature of the dealer’s | 
| wires to a 12-24 VAC transformer. |   |   | and secure it with the nut and lock washer. | warranty, if any. There are no obligations or liabilities on the part of Linear | 
|   |   | Corporation for consequential damages arising out of or in connection with use | 
|   |   |   |   |   |   | Connect the cable and antenna to the bulkhead | or performance of this product or other indirect damages with respect to loss of | 
|   |   |   |   |   |   | connector. |   |   |   | property, revenue, or profit, or cost of removal, installation, or reinstallation. All | 
|   |   |   |   |   |   |   |   |   | implied warranties, including implied warranties for merchantability and implied | 
|   |   |   |   |   |   |   |   |   |   | 
|   |   | GATE OPERATOR |   |   |   |   |   |   | warranties for fitness, are valid only until Warranty Expiration Date as labeled on the | 
|   |   |   |   |   |   |   |   | product. This Linear Corporation Warranty is in lieu of all other warranties express | 
|   |   |   |   |   |   |   |   |   |   | or implied. |   |   | 
|   |   |   | MANUAL |   | MOUNT RECEIVER |   |   | SLIDE WEATHER | All products returned for warranty service require a Return Product Authorization | 
|   |   |   | ACCESS REQUEST |   |   |   | Number (RPA#). Contact Linear Technical Services at 1-800-421-1587 for an RPA# | 
|   |   |   |   | INSIDE GATE |   |   | 
|   |   |   |   |   |   |   | RESISTANT CAP | and other important details. |   |   | 
|   |   |   |   |   | HOUSING | CONNECT COAXIAL | OVER CONNECTION | IMPORTANT !!! |   |   | 
|   |   |   | OBSTACLE |   |   | CABLE TO "F" |   |   |   | Linear radio controls provide a reliable communications link and fill an important need | 
|   |   | BLACK |   |   |   | CONNECTOR |   |   |   | in portable wireless signaling. However, there are some limitations which must be | 
|   |   |   |   |   |   |   | INSERT BULKHEAD | observed. |   |   | 
|   |   | 1 | COMMON |   |   |   |   |   |   | 
|   |   |   |   |   |   |   | CONNECTOR THROUGH |  For U.S. installations only: The radios are required to comply with FCC Rules and | 
|   |   |   |   |   |   |   |   | 
|   |   | 2 | RELAY |   |   |   |   | OPERATOR HOUSING | Regulations as Part 15 devices. As | such, they have limited transmitter power and | 
|   |   |   |   |   |   | therefore limited range. |   |   | 
|   |   |   |   |   |   |   |   |   |   | 
|   |   | RED |   |   |   |   |   |   |   |  A receiver cannot respond to more than one transmitted signal at a time and may be | 
|   |   | 24 V RADIO POWER |   |   |   |   |   |   | blocked by radio signals that occur on or near their operating frequencies, regardless of | 
|   |   | 3 |   | SECURE CASE |   |   |   |   | code settings. |   |   | 
|   |   |   |   |   |   |   | SECURE CONNECTOR |   |   | 
|   |   |   |   |   | CLOSED WITH TWO |   |   |  Changes or modifications to the device may void FCC compliance. | 
|   |   |   |   |   |   |   | TO HOUSING USING |  Infrequently used radio links should be tested regularly to protect against undetected | 
|   |   |   |   |   | SCREWS AT BOTTOM |   |   | 
|   |   | INPUT VOLTAGE REQUIREMENT |   |   |   | WASHER AND NUT | interference or fault. |   |   | 
|   |   |   | OF CASE |   |   |   |   |  A general knowledge of radio and its vagaries should be gained prior to acting as a | 
|   |   | 12 TO 30 VOLTS AC |   |   |   |   | CONNECT CABLE TO | wholesale distributor or dealer, and these facts should be communicated to the ultimate | 
|   |   | 10.5 TO 30 VOLTS DC |   |   |   |   | users. |   |   | 
|   |   |   |   |   |   | BULKHEAD CONNECTOR |   |   | 
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|   |   |   |   |   |   |   |   |   |   | Copyright © 2003 Linear Corporation | 220812 A |