How to Change the Time on an ADT System

Written by richard asmus
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ADT produces many alarm systems with a variety of features, but all have a clock. Steps for changing the time vary from one model to another, but in all cases the settings are done using the keypad of the main unit. Learn how to change the time on two popular models, the Safewatch 3000 with a digital display and a Simon 3 system with voice announcements. For security reasons, you will need your master code or installation code to make any changes.

Skill level:
Moderate

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Instructions

    Safewatch 3000

  1. 1

    Enter your four-digit master code, followed by the pound sign [#], then the digits "6" and "3." The display will show time and date.

  2. 2

    Press the asterisk key [*]. The first digit of the hour will be underlined.

  3. 3

    Enter two digits for the hour you want to set.

  4. 4

    Press the asterisk key to advance the underline to the minute digits.

  5. 5

    Enter two digits for the minutes you want to set.

  6. 6

    Press the asterisk key and then press "1" for p.m. or "2" for a.m.

  7. 7

    Press the asterisk key. The underline will advance to the last two digits of the year.

  8. 8

    Press the asterisk key to continue setting the year, month and day in the same manner, or press the asterisk key three more times to advance the underline to the end and exit the system.

    Simon 3 Model

  1. 1

    Open the main panel cover. The speaker will announce, "Use numbered keys to enter ID."

  2. 2

    Enter your four-digit master code. The speaker will announce, "Please select from start menu."

  3. 3

    Press "Clock Set," which is located in the Start Menu. The speaker will announce, "Time is ****. To change, press hours and minutes, then press done."

  4. 4

    Follow the printed arrows on the panel to find the "Hours" and "Minutes" [+] and [-] keys. Press an hour key. The speaker will announce the present hour. Press the keys until the speaker announces the hour you want.

  5. 5

    Press the "Minutes" and keys until the speaker announces the minute you want.

  6. 6

    Press the "Done" key. The speaker will announce the time set.

  7. 7

    Close the cover.

Tips and warnings

  • If these instructions don't work for your particular model, you can find the owners manuals for your model online at ADT.com. Click on the first Reference to get to the ADC Manuals page, and then click on the link to the manual for your model.

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