| Question: What battery does this require? |
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Answer: This requires a 9-volt battery. We recommend an alkaline 9V, such as the Enercell Alkaline 9V battery (Cat. No. 23-875). You should not use the new Enercell Plus Alkaline batteries, as the door alarm/entry chime is a low- to moderate-drain device; you would not see a significant increase in battery life.
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| Question: What is the dB of the 490-0422 and -0422A's siren and chime? |
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Answer: Both of these are rated at 80 dB for the chime and 90 dB for the alarm.
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| Question: How do I set the security code for the 490-0422? |
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Answer: The security code on the 490-0422 is set by pressing each wire in the appropriate number slot. The default wiring is shown below:
| Preset Security Code Wiring |
| Wire Color |
Function |
Default Setting |
| Orange |
First Number |
1 |
| Yellow |
Second Number |
2 |
| Green |
Third Number |
3 |
| White |
Panic Code |
9 |
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| Question: How do I set the security code for the 490-0422A? |
Answer: To set the security code on the 490-0422A:
- Press CODE. The red indicator lights.
- Enter the current security code. The red indicator flashes.
Note: If this is the first time you are setting the code after installing or replacing the battery, the default security code is 1234.
- Enter the desired four-digit code. The red indicator lights steadily.
- Press CODE within 5 seconds. The red indicator turns off.
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