XtendLan, DVR, models:

1U J Series	User Manual
DVR-110LA	User Manual
DVR-1670B	User Manual
DVR-1670C	User Manual
DVR-1670PJ	User Manual
DVR-40AUTO	Quick User Manual
DVR-410AUTO series	User Manual
DVR-411AUTO	User Manual
DVR-470	User Manual
DVR-470BFV	User Manual
DVR-470J	Quick Start Manual
DVR-470P	User Manual
DVR-475EL	User Manual Quick User Manual
DVR-880E	User Manual
DVR-H**PG	User Manual
DVR-HA401S	Manual
DVR-HXx92	User Manual
DVR-x70JE2 Series	User Manual
DVR-x70PJ	User Manual
H PG series	User Manual
HVR-1608PK	User Manual
Hybrid NDVR system	User Manual
NVR-1602F	User Manual
NVR-3202K	User Manual
XL-HDVR series	User Manual