Manual

UnlockingtheUnit

Tounlocktheunitpressandthentypethecodein.Thiscanbeenteredbyusingthecontrolto

selectacharacter,andtheandkeystomovetothenextcharacter.Alternatively,thekeys

canbeusedtoenteracodebypressinganycombinationoftheeightbuttons.Eachkeyrepresentsits

channellabelling,asdescribedinthelockingsection.

Don'tpanic!Yourunitcanstillbeunlocked.InanattempttoimprovethesecuritysystemontheSP27,and

preventastandardmasterpasswordfrombecomingcommonknowledge,theunitsnowhavearandom

passwordkeygenerator.

Theprocedureforunlockingaunitusingthepasswordoverrideisexplainedbelow:

Switchtheunitonwiththekeyheldinmomentarily.Afterafewseconds,theunitwillaskforasecurity

code.Usethekeysinthesamemannerasforenteringlockcodes(seepagefordetails)andenter

2121.

Thedisplaywillshow:

EnterSuppliedCode:

BreakCode=12345[NNNN]

TheBreakCode(intheexample12345)shouldbenotedandsupplied.Wehavesoftwaretogeneratethe

correspondingPassCodewhichshouldbetypedin,followedby.Thiswillunlocktheunitandwipe

thepreviouspassword.

Notethefollowingaboutthisprocedure:

OncetheBreakCodehasbeennoted,doNOTpressagainduringtheoperationoftheunit(exceptto

getbacktothispointonpowerup),oradifferentcodewillbegenerated.Theunitmaybeusedasnormal,but

everypressofwillchangetheBreakCode,sothePassCodesupplywillnotwork!

Theunitmaybeswitchedonandoffasnecessary–justbesureNOTtopress,ortheentireBreak

Codeprocedurewillhavetoberepeated.

ENTERFREQ

BACKNEXTEDIT

EDIT

ENTER

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