
LG Telematics
Revision History
Author Description Date
Sangjin Han Merged document. Document start July 3,2009

LG Telematics
Contents
1. How to Place a Call
2. ATT Tool for TCU Setting
3. VCP Commander
FCC information

LG Telematics
2. ATT Tool for TCU Setting
1) Set COM Port
2) Check Connection Status
Fig 18
Fig.19

LG Telematics
3) NAD Screen
4) Select Forced band mode and apply it
Fig.20
Fig.21

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- Click to see the selectable menu for changing
- After select the Service mode, click “Control” to apply it.
5) Check result of change.
Fig.22
Fig.23

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3. VCP Commander
1) Run “VCP-Commander.exe”.
This tool is single executable file.
2) Connect the named “CAIT”-port to your PC’s
serial port.
3) Check the serial baud rate of VCP.
(Power-up default is 38400 bps)
4) Select your PC’s COM-port, Press “Connect”
button.
5) Test the right connection. Press “END”,
verify that “Status” is flipped (“Cmd FAIL” to
“Cmd OK”).
Fig.25
6) Select command from drop-down-list and enter “Value 1” or “Value 2” according to
each command.
7) Press “SET” button, then status is flipped.
8) Below table are command lists, value 1 and value 2.
“Command” “Value 1” “Value 2” Description
PREF_AUTOMATIC
PREF_CELL_ONLY
PREF_PCS_ONLY
PREF_CDMA_ONLY
Don’t care Don’t care Set system selection mode
PREF_ANALOG_ONLY
PREF_HOME_ONLY
PREF_P_REV_3
PREF_P_REV_4
PREF_P_REV_6
Don’t care Don’t care Set MOB_P_REV
temporally

LG Telematics
A_KEY See
example 1
PREF_FOR_RC 1 ~ 5 Don’t care Set NV_PREF_FOR_RC_I
IMSI_MCC 3-digit
decimal ie.
“120”
IMSI_11_12 2-digit
decimal ie,
“12”
SCM One-byte
decimal
SLOT_SYCLE_INDEX 0 ~ 7 Don’t care Set
MOB_TERM_HOME 0 or 1 Don’t care Enable(1) or Disable(0)
MOB_TERM_FOR_SID 0 or 1 Don’t care Enable(1) or Disable(0)
MOB_TERM_FOR_NID 0 or 1 Don’t care Enable(1) or Disable(0)
See
example 1
Don’t care Set NV_IMSI_MCC_I
Don’t care Set NV_IMSI_11_12_I
Don’t care Set NV_SCM_I
Set A-key value
(MNC)
NV_SLOT_CYCLE_INDEX_I
Dial_SO2_LB,
Dial_SO3_EVRC,
Dial_SO9_LB13,
Dial_SO54,
Dial_SO55_LB,
Dial_SO32768,
Dial_SO32798,
Dial_SO32799,
CALL_ANSWER Don’t care Don’t care Answer incoming call.
CALL_END Don’t care Don’t care End call.
Power_Down Don’t care Don’t care Force power-down
Don’t care Don’t care Originate call with
specified SO. Dial number
is fixed to “111” internally.
“Communication Module”
only.
After this command, must
do unplug then plug main
VCP power to power-up
Module.
Power_Recycle Don’t care Don’t care Force power-recycle
“Communication Module”
only.

LG Telematics
FCC Information
FCC part 15.19
This device complies with Part 15 of the FCC Rules, Operation is subject to the
following two conditions: (1) this device may not cause harmful interference, and (2)
this device must accept any interference received, including interference that may
cause undesired operation.
Installation
This unit should only be installed by qualified personnel by GMOnstar.
Address
P.O. Box 430627
Pontiac, MI 48343