Initiate Silent Alarm in ComboGard Pro 39E Electronic Combination Lock

(Alarm Box Required - P/N 2789-NC)

• Using a Motor Blocking Lock (code level v1.07 or higher): 
  add or subtract (+/-) 1 to the last digit of the combination(s).
  Example: Combination: 1-2-3-4-5-6 Duress Combination: 1-2-3-4-5-5 or 1-2-3-4-5-7

• Using a Solenoid Lock: 
  add (+) or (-) 1 to the last digit of the combination(s).

  The Lock will open without any indication that the alarm signal has been sent.