User's Manual

1
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
System Function Remark
Lock Doors & Arm System
Unlock Doors & Disarm System
(1.5-second)
Trunk Release Press and Hold for 1.5
seconds.
Car Locator
Panic Function Press and Hold for 3 seconds.
Activate or Turn Off The Remote Start Operate as manual
NOTE: a. 2 code must be the same, then you 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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