CCTV Tester Pro - Installing the Battery

CCTV tester PRO User’s Manual
Page.8.
2.4 Side view
22
Reset the default settings of parameters.
23
External power supply (DC, 5V): It is highly recommended to use the equipped power adapter.
24
UTP cable port: Please use together with UTP LAN cable tester.
25
RS232 interface: RS232 communication for the PTZ.
26
Audio input: test the pickup and other audio equipments on the front-end
27
DC12V1A power output: output DC12V power for camera
28
Tester speaker
29
Video input (BNC input interface): Inputs the video.
30
Video output (BNC output interface): Outputs the video.
31
RS485/422 Interface: RS485/RS422 communication for the PTZ.