Motorola 8400
(Note: pause means the * key held in until box appears)
To activate RBS type: [pause] [pause] [pause] 1 1 3
[pause] 1 [pause] [ok]
You now have to press the [MENU] and scroll to the 'Eng
Field Options' function with the keys, and enable it.
De-activate RBS
To de-activate RBS type: [pause] [pause] [pause] 1 1 3
[pause] 0 [pause] [ok]
This only works with some versions of software.
These countries has been reported working:
ES, AU, NL, BE
What's the use of RBS:
Get Distance From Base Station - Place a call, when it
is answered, press [MENU] until 'Eng Field Option' is
displayed, press [OK], select 'Active Cell', press [OK],
press [MENU] until 'Time Adv ***' appears, where *** is
a number. Multiply this number by 550, and the result is
the distance from the RBS (Radio Base Station), in
meters.
Get Signal Quality - press [MENU] until 'Eng Field
Option' is displayed, press [OK], select 'Active Cell',
press [OK], press [MENU] until 'C1' appears. This is the
signal quality. If it becomes negative for longer than 5
seconds, a new cell is selected.
Pin Outs
Numbered right to left, keypad up, battery down looking
1. Audio Ground
2. V+
3. True data (TD) (input)
4. Downlink - Complimentary data (CD) (input)
5. Uplink - Return data (RD) (output)
6. GND
7. Audio Out - on/off
8. Audio In
9. Manual Test - ???
10. Battery Feedback
11. Antenna connector
پاسخ با نقل قول
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