LG U8210, Service Manual, Page: 185 / 231

A. Serial Port Setup
- Function
As shown in Figure 7-5, Serial Port Setup section supports setting the connection between PC and U8210.
- Procedure Proposal
1. First you have to setup your hardware: connect interface cable to one of the serial communication ports
(so COM1, COM2, COM3, or COM4) of your PC.
2. Setup the port number of PC.
3. Setup the baud-rate of 115200 bps (recommended value).
4. Click the ‘Connect’ button.
B. Phone Mode
- Function
As shown in Figure 7-6, Phone Mode Setup section supports the switching Advanced Mode Subscriber
Software (AMSS) mode and Factory Test Mode (FTM) mode. FTM is a mode of operation that allows a user
to perform diagnostic or design verification functionality by exposing functions not discretely available to the
user in AMSS mode. FTM does not provide the ability to make phone calls and is not driven by the
Advanced Mode Subscriber Software Call Processing State Machine.
- Procedure Proposal
1. Make sure the phone’s connection to PC.
2. To run calibration process, you should switch the phone mode of FTM mode. To switch FTM mode, click
the ‘FTM’ button. When the switching is done, the massage, “Set Phone FTM Status = SUCCESS!” on
debug screen blow and “FTM MODE” on status box near ‘Read’ button is displayed. If the mode switching
is fail, the message, “Set Phone FTM Status = FAIL!” is displayed on debug screen.
3. To make phone calls, you should switch the phone mode of AMSS mode. To switch AMSS mode, click
the ‘AMSS’ button. When the switching is done, the massage, “Set Phone AMSS Status = SUCCESS!”
on debug screen blow and “AMSS MODE” on status box near ‘Read’ button is displayed. If the mode
switching is fail, the message, “Set Phone AMSS Status = FAIL!” is displayed on debug screen.
4. To know phone’s mode, click the ‘Read’ button. The status box displays phone’s mode. When
disconnected phone and PC, the status box displays “UNKOWN MODE”.
7. CALIBRATION
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Figure 7-5. Serial Port Setup
Figure 7-6. Phone Mode Setup