Security Equipment, Communication and Surveillance Systems
The equipment set
The exam tests the purpose, limitations and basic checks of CCTV, recorders, access control, alarms, metal detectors, X-ray scanners, radios and body-worn cameras. Equipment supports judgement; it does not replace patrols, post orders or human verification.
Core rules
- CCTV cameras should cover entries, exits, cash points, high-value stores and fire exits, with correct time and date.
- NVR/DVR recordings need protected storage, retention periods, access control and audit logs.
- Check camera images, recorder health, UPS backup and alarm tests at shift start.
- Hand-held metal detectors (HHMD) and door-frame detectors (DFMD) screen people; they do not prove guilt.
- X-ray baggage scanners require trained operators; suspicious images need secondary search with consent and witnesses.
- Radios need charged batteries, correct channel, call signs and clear protocol.
- Data protection and privacy apply to footage and personal data.
Worked example
A guard notices that the CCTV clock is two hours behind. A theft report later depends on the footage. He should log the fault, inform the supervisor, adjust the time if authorised, test recording, and preserve existing footage. Ignoring the drift damages evidential value and may mislead an investigation.
Traps that cost marks
- Assuming a camera recording is automatically admissible and accurate.
- Letting unauthorised staff view or copy footage.
- Treating a metal-detector alarm as proof of an offence.
- Failing to check radio batteries and camera time.