Assessments - 3, GPA: 3.3
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CODE SWITCH LOCATION The digital coding switch is attached to the circuit board inside the case. To access the switch, unsnap and slide off the back cover as shown in Figure 1, exposing the battery, lead wire screw terminals, and digital coding switch (see Figure 2). Figure 1. Removing the Transmitter Back Cover SCREW TERMINALS CODING SWITCH Figure 2. 9- VOLT BATTERY Transmitter Components CODE SETTING CAUTION! All transmitters and receivers must be re-coded by installer prior to operation. DO NOT USE THE FACTORY SET CODE! Among the 256 possible codes, considered invalid, and should not be used. are: all keys ON, all keys set alternating ON/OFF To set a code, ON and OFF numbered Use a pointed object (other than a pencil or pen) to set the keys. The ON position is when the top of the switch is down, facing the numbers. The OFF position is when the top of the switch is up and the bottom is down, away from the numbers. In the example shown in Figure 3, keys 1,4,6 and 8 are ON; keys 2,3,5 and 7 are OFF. OFF ON 6 5 4 3 1 7 8 MOUNTING SCREWS SURFACE WIRING SLOT RECESSED WIRING HOLE Figure 4. Transmitter Back Cover Mounting Figure 3. Example Coding Switch INSTALLATION To mount the transmitter, proceed as STEP 1: Select a location for the transmitter and drive screws through the two countersunk the back cover to mount the NOTE: Generally, the higher transmitter is mounted above ground (minimum of 3 feet) the better the radio STEP 2: For recessed switches hidden wiring, fish the through the wire access hole surface wiring, route through the wire slot on the back STEP 3: Attach wires from the sensor switch to the transmitter screw terminals. Wire normally closed switches in series, and normally open switches in parallel (see Figures 5 & 6). NOTE: A maximum of wire run of 50 feet with a total of four switches may be used with one transmitter. Figure 5. Normally Open Switch Wiring Figure 6. Normally Closed Switch Wiring STEP 4: Slide the transmitter onto the back cover until locked into place to complete installation (see Figure 7). CHECKOUT AND TEST After installation, the receiver should be checked Activate the transmitter by triggering the sensor. Verify that the LED lights when triggered (Receiver activation transmitter is Figure 7. Typical Installation (Door and Window) operating properly, and that the transmitter’s digital code is correctly matched to the code set in the receiver. CAUSES FOR NON-OPERATION If the transmitter fails to activate the receiver, first check the coding switches to see that the switch keys in the transmitter and the receiver are correctly matched. Next, check the battery and replace it if it’s weak. If the code is set correctly, the battery is good, and the LED lights but the receiver dosen’t activate, check for hidden metal obstacles or large metal appliances between the and receiver that may be blocking the radio signal. Re-location of the transmitter receiver may be necessary CAUTION: The manufacturer strongly recommends tha...
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