Nokia 51XX 用户手册

Nokia

4

Table of contents

Phone Models and Software versions ..................................................................................... 2

Notes for 21xx / 31xx / 81xx phones...................................................................... 2

Notes for 51xx/61xx/62xx/71xx/88xx/91xx/32xx and other phones....................... 2

Menu Modes ............................................................................................................................ 3

Reserving SIM phonebook locations ....................................................................................... 3

Table of contents ..................................................................................................................... 4

Basics: Channel numbers in GSM........................................................................................... 4

Display 1 – Serving cell info..................................................................................................... 5

Display 10 – Paging Repetition Period, TMSI, Location Update Timer, AFC and AGC ......... 9

Display 20 – Charging state................................................................................................... 12

Display 39 – Information about reasons for call clearing....................................................... 16

Display 40 – Reset handover counters.................................................................................. 17

Display 60 – Reset counters to zero...................................................................................... 21

Display 65 – SMS attempts counters .................................................................................... 23

Display 70 – Temporary counters of DSP ............................................................................. 24

Display 80 – Reset and restart timers ................................................................................... 28

Display 100 (7110, 62XX) – Internal memory usage, overview ............................................ 31

Display 240 (no output) – Clear counters and start timers .................................................... 34

Basics: Channel numbers in GSM

GSM uses channel numbers between 0 and 1023. These frequency channels are allocated
by the different types of GSM as follows:

Type:

Subtype: Channels:

GSM400

GSM450

259 .. 293

GSM480

306 .. 340

GSM700

GSM750

438 .. 511

GSM850

GSM850

128 .. 251

GSM900

PGSM

1 .. 124

EGSM

0 .. 124
975 .. 1023

GSM-R

0 .. 124
955 .. 1023

GSM1800

GSM1800

512 .. 885

GSM1900

GSM1900

512 .. 810