‹ OM-5.3.25 OM-5.4.1 › OM-5.4 ATM Security Measures: Additional Measures for Retail Banks OM-5.4.1 Sounders and Flashing Warning Lights OM-5.4.2 Armored Anti-Bandit Shroud OM-5.4.3 ‹ OM-5.3.25 OM-5.4.1 ›