NEC Univerge sv8500 Manual page 3078

4.4.2 Hard Reset
On the Hard Rest parameters, reset the terminal without saving the data.
STEP 1: Select "2. Hard Reset" by pressing "2" key on the Maintenance Settings Menu.
"6. Auto Config" is not supported by DtermIP (SIP) with Firmware Version 4.1.x.x.
Note:
STEP 2: Press OK key to reset the terminal (hard reset). At this time, the setting data is not saved.
Maintenance Settings Menu
41.Download Menu
2.Hard Reset
3.Factory Value
4.Simple Test Mode
5.Config Password Mode
6.Auto Config
Up Down
Hard Reset Execute?
Cancel
VOL.3-591
CHAPTER 4 CONFIGURATION SETUP
Exit
OK