Bosch B9512G Owner's Manual page 209

Control Panels
Turning off with Early Ambush enabled:
1. Enter the first passcode and press [ENTER]. The keypad
shows the system is turned off. Early ambush time begins
counting down. The keypad does not indicate that early
ambush time is counting down.
2. You must enter the second passcode before the Early Ambush
time expires. Warning! Failure to cancel will result in alarm
transmission and law enforcement may be dispatched.
3. Enter a second passcode and press [ENTER]. The keypad
shows Code 2 Validated to confirm that the security system
accepted the second passcode and stopped the Early
Ambush time countdown. The system does not create a
duress event.
Bosch Security Systems, Inc.
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2015.01 | 02 | F.01U.307.371