SIA CCTV System Maintenance 2

Question 1

What is 'preventative maintenance' in the context of CCTV systems?

Accepted Answer

Scheduled activities designed to keep equipment functioning and prevent failures

Answer

Preventative maintenance involves scheduled inspections, cleaning, testing, and servicing designed to keep equipment in good working order and prevent unexpected failures.

Question 2

What environmental factor can cause condensation inside a camera housing?

Accepted Answer

Rapid temperature changes causing moisture to form inside the housing

Answer

Rapid temperature changes can cause warm, moist air inside the housing to cool and condense on the lens and internal surfaces. Proper sealing and heaters in housings help prevent this.

Question 3

What is the purpose of a maintenance log for a CCTV system?

Accepted Answer

To record all maintenance activities, faults, repairs, and system changes for accountability

Answer

A maintenance log provides a documented history of all maintenance activities, faults reported, repairs carried out, and system changes. It is essential for accountability, trend analysis, and regulatory compliance.

Question 4

What should be done when upgrading CCTV system firmware or software?

Accepted Answer

Back up the current configuration, test the update in a non-critical environment if possible, and schedule the update during off-peak hours

Answer

Updates should be planned carefully: back up existing configurations, test if possible, schedule during quiet periods, and supervise the process to minimise disruption and risk.

Question 5

How can a CCTV operator check whether all cameras in the system are operational?

Accepted Answer

Systematically review each camera feed, checking image quality, movement, focus, and recording status

Answer

A systematic check of every camera involves reviewing the live feed, testing PTZ functions, verifying recording status, checking image quality, and ensuring time stamps are correct.

SIA CCTV Operator Practice Test

SIA CCTV Operator Practice Test

SIA CCTV System Maintenance 2