CARLINK IVU
OPERATION MANUAL
HHU CPU: 28pin 2K ROM SIZE. HT48R30A SSOP
IVU CPU: 14pin 1K ROM SIZE. PIC16F630 SOP
1. Transmitter programming: It only retain 4 transmitter programmed. If the memory is
exceeded, the system will start to delete transmitters from memory in chronological order.
2-WAY 46-BIT (HOPPING CODE.)
Hold SW in IVU until LED flashing (0.25” ON,0.25”OFF), you are in the transmitter
programming mode. Within 5", press BTN in TX1, LED on 1”; press BTN in TX2,LED on
2”..indicating the signal have been stored into memory.
Transmitter
Button
(1.5-second)
Activate or Turn Off The Remote Start Operate as manual
System Function Remark
Lock Doors & Arm System
Unlock Doors & Disarm System
Trunk Release Press and Hold for 1.5
seconds.
Car Locator
Panic Function Press and Hold for 3 seconds.
NOTE: a. 2 code must be the same, then yo u can use.
b. Example:2-WAY 46 bit, when you use. Compare with hopping code is
necessary.
c. RF DECODE :
1. Decode as following:
1) Each Bit must shorter than 3000us.
2) 0000, FFFF without decode
3)Compare Code with EEprom.
d. exit: leave it for 5” .
2.HHU reaction
2.1 LOCK: 1 CHIRP, LOCK ICON ON
2.2 UNLOCK: 2 CHIRP, UNLOCK ICON ON
2.3 TRUNK: MELODY, TRUNK ICON ON
2.4 REMOTE START: 1 CHIRP, START ICON FLASH
2.5 REMOTE STOP: 3 CHIRP, START ICON OFF
2.6 CAR LOCATOR: MELODY, CALRLOCATOR ICON ON
2.7 PANIC: MELODY, PANIC ICON ON
3.HHU after 2”,LCD OFF, it is SLEEP MODE, it doesn’t accept any commend.
REMOTE START as well.
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4.Relationship between TRUNK & Remote Start :
4.1 It will send code twice while open TRUNK & REMOTE START, CODE(A) -> LOW 2” ->
CODE(B)
4.2 While Remote Start, press STRAT BTN, it will Turn Off The Remote Start
5. (IVU TO X -LINK )
DBI
Digital Commands
Commands
Alarm Functions
FE44
FE90
FEB8
FE30
1111 1110 0100 0100 LOCK FUNCTION LOCK FROM
REMOTE
1111 1110 1001 0000 UNLOCK FUNCTION UNLOCK
FROM REMOTE
1111 1110 1011 1000
(A)
TRUNK FUNCTION TRUNK
FROM REMOTE
1111 1110 0011 0000
(B)
FE44
FE14
1111 1110 0100 0100
(A)
1111 1110 0001 0100
REMOTE
START
FUNCTION REMOTE
START FROM REMOTE
(B)
FEE4
1111 1110 1110 0100 REMOTE STOP FUNCTION REMOTE
STOP FROM REMOTE
1111 1110 1101 1000 CAR LOCATOR FUNCTION CAR
FED8
LOCATOR FROM
REMOTE
FED4
1111 1110 1101 0100 PANIC
REMOTE
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