T200/T250 short programming
For the T250, use the MODE key instead of the END key
- With the phone in the off position, press/hold the END key
- When the backlight illuminates, input 6972815 (there will be no sound or display)
- Release the END key
- NAM 1 will be displayed on the screen
- Enter the phone number and press ENTER
- Enter the System ID (SID) and press ENTER
- Enter the Security Code and press ENTER
- Press END to save the changes (Writing NAM will be displayed on the screen)
- The phone will automatically power-up and will be ready to place and receive calls
To enter the long program, enter 6972814.
- With the phone in the off position, press/hold the END key
- When the backlight illuminates, input 6972814
- Select 1 for NAM1 Only
- Enter the phone number and press ENTER (for a parameter value that does not need to be changed, press ENTER)
- Enter the SID and press the ENTER
- Enter the Security Code and press the ENTER
- Set Ext. Address to ON
- Enter the MCC value
- Enter the IPCH primary
- Enter the IPCH second
- Enter the FCCA
- Enter the LCCA
- Enter the FCCB
- Enter the LCCB
- Enter the FCCA2
- Enter the LCCA2
- Enter the FCCB2
- Enter the LCCB2
- Enter the ACCOLC
- A-Key Input (set to OFF)
- Enter Emergency Number
- Enter SOC (this parameter may be locked)
- Prog. NP-NAM (select yes)
- Select Type?
- Enter the PSID/RSID
- Enter the Associated Public SID
- Enter the Associated Public SOC
- Enter the MCC Type
- Enter the MCC
- Enter the Alpha Tag?
Diagnostic mode
With the phone in the off position, press/hold the END key
When the backlight illuminates, input 0944635 (there will be no sound or display)
Release the END key
The program ROM version will be displayed, and the phone will now accept commands as follows:
Command: nn + SEND Description
‘nn’ = 00 TX on
01 TX carrier on
02 TX carrier off
03 RX audio unmute
04 RX audio mute
05 TX audio unmute
06 TX audio mute
07 ST on
08 ST off
09 High tone on
10 High tone off
11 Low tone on
12 Low tone off
13 External audio on
14 External audio off
15 Display unlock code
16 Compandor on
17 Compandor off
18 Display ESN
23 Wide-band on
24 Wide-band off
30 DTMF off
38 Display customer code
40 DTMF on (n = 0, key = 0)
41 DTMF on (n = 2, key = 1)
42 DTMF on (n = 2, key = 2)
43 DTMF on (n = 3, key = 3)
44 DTMF on (n = 4, key = 4)
45 DTMF on (n = 5, key = 5)
46 DTMF on (n = 6, key = 6)
47 DTMF on (n = 7, key = 7)
48 DTMF on (n = 8, key = 8)
49 DTMF on (n = 9, key = 9)
67 Display RSSI (analog mode)
68 Display RSSI (digital mode)
69 LCD and backlight ON
78 Status monitor ON
79 Status monitor OFF (exit diagnostic mode)
80 SAT off
81 SAT 5970Hz on
82 SAT 6KHz on
83 SAT 6030 Hz on
98 Normal program version display
99 Normal program compile option display
400 Digital mode 1900
401 Digital mode 800
402 Analog mode 800
439 IS-137 TDMA on (echo = 0)
440 IS-137 TDMA on (echo = 1/Type = 0)
441 IS-137 TDMA on (echo = 1/Type = 1)
498 IS-137 restart
807 Noise canceller ON
808 Noise canceller OFF
810 Entry sleep mode
811 Exit sleep mode
812 Vibrator ON
813 Vibrator OFF
832 APC ON
833 APC OFF
841 Analog AFC ON
842 Analog AFC OFF
843 AGC OFF
844 LNA ON/OFF
845 AGC ON
860 Side-tone ON
861 Side-tone OFF
870 MAHO BER measurement start
871 MAHO BER measurement stop
890 FACCH WER measurement
891 SACCH WER measurement
892 VOCODER WER measurement
893 BCCH WER measurement
Self-diagnosis
A POST (power on self-test) is performed each time the phone is powered on. If an error occurs one of the following errors will be displayed.
Error message | Description
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CHECK 1 | ESN checksum is incorrect
CHECK 3 | Synthesizer did not achieve lock
CHECK 4 | RF power status did not achieve lock
CHECK 5 | No program downloaded
Program NAM | NAM check is incorrect (reprogram NAM)
Program IRDB | IRDB check is incorrect
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