21-3 How To Logout .................................................................................................................................. 127
21-5 Changing Password ......................................................................................................................... 129
21-7 Missing Password ............................................................................................................................ 130
24. Maintenance ............................................................................................................ 132
24-1 Treatment Of The Balance. .............................................................................................................. 132
25. Troubleshooting ....................................................................................................... 133
25-2 Error Codes ...................................................................................................................................... 134
25-3 Other Display .................................................................................................................................... 137
25-4 Asking For Repair ............................................................................................................................. 137
26-1 Command ......................................................................................................................................... 138
26-2 Key Lock Function ............................................................................................................................ 138
28. Specifications ........................................................................................................... 139
29. External Dimention ................................................................................................... 141
5