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How to reset unicom 51152

I bought a unicom sensor security alarm model 51152, and i need to reset it so i can put own password in again, can someone please help ASAP

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After inserting battery, press "000" then PROG.Enter your new 1-6 digit code and press PROG again.
To programme the alarm timing, press PROG then press:-
1 for 30seconds alarm 2 cycles, 20 seconds rest in between.
2 for 60seconds alarm 2 cycles, 30 seconds rest in between.
3 for 90seconds alarm 2 cycles, 30 seconds rest in between.
any more you wanna know let me know.

Posted on Jul 08, 2010

  • ghost07 Feb 23, 2011

    very helpfull thanks working ok now thanks

  • nathaniel
    nathaniel Nov 01, 2013

    wen u have done this how do u put new code in


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How to reset my pass word on my Samsung Security Video System SDH-B74041

For nearly all Samsung Security DVRs, the default password is 4321. If it hasn't been changed since setup, then you can just use that to access the DVR. The default password is included in the reset procedures for completeness. If you have changed your password or access code for your Samsung Security DVR since it was setup, or if you changed it during the initial setup, use that password in place of the default password. The password will be the latest password that was set on the DVR. If no password has ever been set, then it will be the default.
Samsung Security DVR Reset Procedure #1
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Samsung Security DVR Reset Procedure #2
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Samsung Security DVR Reset Procedure #3 This reset will work on Android based DVRs only. All steps are performed on the device itself.
  1. Turn the device Off
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Samsung Security DVR Reset Procedure #4 This reset will work on SDR models. It may also work on other models.
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  2. Make sure you press them quickly, one after the other. If it doesn't work the first time, try doing it several times. It can take many tries to get the timing right. If/when it works, you should get a screen that gives you the option to reset.
Samsung Security DVR Reset Procedure #5 This reset will work on SDR models where procedure #4 failed. It may also work on other models.
  1. Press the DVR Button to place the system in DVR Mode
  2. Press:
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