COP-USA CM259VAIR-WF - Manual (Page 30)

ǏNameǐ Setup channel name.
ǏResolutionǐ QCIF / CIF / Half_D1 / D1.
ǏPAL/NTSCǐ Choose PAL or NTSC.
Mark1: Need restart device to valid new setup.
Mark2: 4 channel DVS only support channel 1 set as D1 format.
3.3.11 Audio Channel
Design and specification are subject to change without prior notice 28