LT Security LTD7726 CD - Manual (Page 45)

4.2 HDD INSTALLATION
Please installation the HDD as the following steps:
1）Open the cover of the DVR and then you will see one HDD plate as follow.
2）Connect HDD line as follow
.
3）Affix HDD on HDD plate as indicated below with the screws around.
4）Install the HDD plate back into DVR and close cover .
Notice: Newly installed HDD should format before recording
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