| D-22C | | | TRANSMITTER DESCRIPTION | The D-22C transmitter contains two 8-position dipswitches, one |
| | | The D-22C is a two-button, two-channel hand-held digital radio | for each pushbutton. The transmitter can be used with two |
| | | transmitter with independent button coding. The transmitter can | single-channel receivers or one multi-channel receiver. |
| | | | | | perform a variety of remote switching tasks when used with any of | ✶ CAUTION: All Standard Digital transmitters and receivers should be |
| DIGITAL | | | | Linear’s Standard Digital “D” Series Receivers. Typically the | recoded prior to installation and operation. | | |
| | | | D-22C is used in wireless or hybrid wireless/hardwire security | In order to avoid the possibility of duplicating codes in adjacent |
| TRANSMITTER | | | systems. | | systems, factory set codes should not be used. In addition, among |
| | | The transmitter is powered by a 9-volt battery. Pressing either | the valid codes available, four others should not be used. These |
| | | | | | button will send that button’s unique code. Press either button | include: all switches set ON or OFF and switches set in an |
| Code Setting | | | | for at least 2 seconds to activate the transmitter. The red LED | alternating ON/OFF or OFF/ON pattern. | | | |
| | | | on the face of the transmitter will glow as the unit transmits and | The D-22C will transmit as long as a pushbutton is pressed. |
| Instructions | | | | the receiver with the matching digital code will activate. | Depending on conditions (interference, obstacles and distance to the |
| | | | | | A snap-on plastic transmitter clip with a screw and double-stick | receiver) the receiver output may or may not stay activated for as |
| | | | | | tape for mounting the transmitter are provided with the unit. | long as the transmitter is sending a signal. | | |
| | | | | | The Standard Digital radio format provides up to 256 different | ✶ CAUTION: If using two receivers, be sure they are located at least 10 feet |
| | | | | | apart. | | | | | |
| | | | | | digital codes. The code is set using the 8-position coding switches | | | | | |
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| | (760) 438-7000 ∙ FAX (760) 438-7043 | | in the transmitter and receiver(s). | | | | | | | |
| | | | | | | | | | |
| | USA & Canada (800) 421-1587 & (800) 392-0123 | | | | | | | | | |
| | | Toll Free FAX (800) 468-1340 | | | | | | | | | |
| STEP 1 Locate coding switches. The code switch for the left | STEP 2A Coding for single-channel receivers. Pick two valid | STEP 2B Coding for two-channel receivers. Pick one valid |
| button can be accessed by removing the battery access door | OFF/ON codes and set them on switches 1-8 on each coding | OFF/ON code and set it on switches 3-8 in the receiver. Match the |
| located on the back of the transmitter case. To access the code | switch in the transmitter. Set each receiver’s coding switch 1-8 to | same code on switches 3-8 on both switches in the transmitter. |
| switch for the right button, the unit’s rear cover must be removed. | match the code set for the proper button in the transmitter. | Set both the transmitter switches 2 to OFF. Set one transmitter |
| Identify the coding switches and note that they have eight | CODING SWITCHES IN | CODING SWITCHES | switch 1 to OFF and the other switch 1 to ON. 2-Channel receiver |
| positions, with ON and OFF clearly marked. | | D-22C TRANSMITTER | IN TWO RECEIVERS | switches 1 & 2 are unused and can be set in any position. |
| REMOVE BATTERY DOOR | | TO ACCESS THE RIGHT BUTTON | SET | MATCH | | | | | | |
| | 1-8 | 1-8 | | | | | | |
| TO ACCESS LEFT BUTTON | | CODING SWTICH, REMOVE THE | CODING SWITCHES IN | | | CODING SWITCHES |
| CODING SWITCH | | CASE SCREW AND BACK OF CASE | LEFT | RECEIVER #1 | D-22C TRANSMITTER | | IN TWO-CHANNEL RECEIVER |
| | | | BUTTON | |
| | | | | | ACTIVATES FROM | MATCH | | | | | |
| | | | | | CODING | | | | | |
| | | | | | LEFT BUTTON | 3-8 | | | | | |
| | | | | | SWITCH | | | | | |
| | | | | | | LEFT | | | | | |
| | | | | | EXAMPLE | EXAMPLE | | | | | |
| | | | | | BUTTON | | | | | |
| | | | | | 3 & 6 ON | 3 & 6 ON | | | | | RECEIVER |
| | | | | | CODING | | | SET |
| | | | | | | | | EXAMPLE | CHANNEL #1 |
| | | | | | | | SWITCH | |
| | | | | | | | | | 3-8 | ACTIVATES FROM |
| | | | | | SET | MATCH | | | 3 & 6 ON | |
| | | | | | | | | | LEFT BUTTON |
| | | | | | | SWITCH 1 OFF | | |
| | | | | | 1-8 | | | |
| | | | | | 1-8 | | | | |
| | | | | | | | | | | |
| | | | | | | | | | | | |
| | | | | | RIGHT | RECEIVER #2 | MATCH | | | | | RECEIVER |
| | | | | | BUTTON | | | | |
| | | | | | ACTIVATES FROM | 3-8 | | | | | CHANNEL #2 |
| | | | | | CODING | | | | |
| | | | | | RIGHT BUTTON | | | | | | ACTIVATES FROM |
| | | | | | SWITCH | | | | | EXAMPLE |
| | | | | | | | | | | RIGHT BUTTON |
| | | | | | EXAMPLE | EXAMPLE | RIGHT | | | | 3 & 6 ON |
| | | | | | | | | |
| | | | | LEFT BUTTON | 2, 3, 6 & 7 ON | 2, 3, 6 & 7 ON | BUTTON | | EXAMPLE | | | |
| | | | | | | CODING | | 3 & 6 ON | | | |
| | | | | CODING SWITCH | | | | | | |
| | | | | | | SWITCH | SWITCH 1 ON | | | |
| | | | | | | | | | |
| STEP 3 Test the equipment. Connect the receiver to its power | BATTERY REPLACEMENT | | LINEAR LIMITED WARRANTY | |
| source. With relay output receivers, listen for the relay click when | The battery should last 12 to 18 months with normal use. When | This Linear product is warranted against defects in material and workmanship for twelve (12) months. The |
| the transmitter is activated. A multi-meter can be used to detect | the red LED lights dimly, or not at all when transmitting, the battery | Warranty Expiration Date is labeled on the product. This warranty extends only to wholesale customers who |
| buy direct from Linear or through Linear’s normal distribution channels. Linear does not warrant this product |
| activation of relay and solid state output receivers. Operate the | needs to be replaced. Remove the battery access door to change | to consumers. Consumers should inquire from their selling dealer as to the nature of the dealer’s warranty, if |
| any. There are no obligations or liabilities on the part of Linear corporation for consequential damages |
| transmitter from various locations to determine the radio range. | the battery. Any type of 9-volt battery can be used. Replace the |
| arising out of or in connection with use or performance of this product or other indirect damages with |
| | | | | | battery door and foam battery pad when finished. | respect to loss of property, revenue, or profit, or cost of removal, installation, or reinstallation. All implied |
| | | | DCV | DCV | warranties, including implied warranties for merchantability and implied 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. | | | |
| | | | | | | | 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. | |
| | | | | | REPLACE BATTERY WITH | | IMPORTANT !!! | | | | | |
| | MEASURE | | MEASURE | MEASURE | | Linear radio controls provide a reliable communications link and fill an important need in portable wireless |
| | | FRESH 9-VOLT BATTERY | |
| | | | signalling. However, there are some limitations which must be observed. | |
| | RESISTANCE | | VOLTAGE | VOLTAGE | | |
| | | | | ✶ 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. | |
| | | | | POWER | | | ✶ A receiver cannot respond to more than one transmitted signal at a time and may be blocked by radio signals |
| | NORMALLY | | POWER | | | that occur on or near their operating frequencies, regardless of code settings. | |
| COMMON | | | | | ✶ Changes or modifications to the device may void FCC compliance. | |
| OPEN | OUTPUT | OUTPUT | | | | |
| | | | | ✶ Infrequently used radio links should be tested regularly to protect against undetected interference or fault. |
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| | | | | | | | ✶ A general knowledge of radio and its vagaries should be gained prior to acting as a wholesale distributor or |
| | | | | SHORT | | | dealer, and these facts should be communicated to the ultimate users. | |
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| | | | | -TO- | | | | | | | | |
| | RELAY | | VOLTAGE | COMMON | | | | | | | | |
| | OUTPUT | | OUTPUT | OUTPUT | | | | | | | | |
| | RECEIVER | | RECEIVER | RECEIVER | | | Copyright © 1997 Linear Corporation | | | 200857 C |
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