NVG510 nsh shell: attributes, aget, aset ???

Can anyone tell me what values I can use for ATTR in the following commands in the NVG510's nsh command shell (telnet) ? There's nothing about it in the FCC Motorola NVG510 Administrator's Handbook (which describes cshell rather than nsh). Thanks! aget OBJ.ITEM ATTR : Get the OBJ.ITEM's ATTR attribute. aset OBJ.ITEM ATTR VALUE : Set the OBJ.ITEM's ATTR attribute to VALUE.