First, if the NVR was working at the default resolution (1280x1024) and it was manually set to a non-working resolution, hold the reset button on the back of the DVR for 30 seconds to bring it back to default resolution (1280x1024).
***WARNING: Reset button will reset all the other settings back to default as well.***
Walkthrough to Lower Resolution for ZP-NE14-S (V40.0.2.14)
Power off NVR, wait 10 seconds
Power NVR back on
Wait until loading screen goes away
Wait another 10 seconds for it to finish loading.
Using Zsight app remote control option (make sure phone is on same WIFI as the NVR)
Zsight Remote Instructions: http://kb.zmodo.com/index.php?solution_id=1329
Press the following buttons in order:
Menu
OK x 7
Esc
Down
Ok
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(only do these steps if NVR was Reset or first time hooking up and the Start-up Guide hasn't been disabled)
Esc x 2
Menu
Down
OK
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Ok
Down x 5
Ok
Right
Up x 2
Ok x 2
Down
Ok
Up
OK x 7
Esc
Down
Ok
NVR should then reboot with the lower resolution (1024x768)