
Flex 4EX System Instruction Manual
December 2012
19 of 39
4.1.5 I-CHIP
The I-CHIP functions in a way that is very similar to a SIM card inside a mobile phone, which
stores system information such as your telephone number, account number, phone book
and other settings. I-CHIP works exactly the same way, as it stores information such as
system serial number/ID code, channel and push button configurations.
When replacing a transmitter handset, just take the I-CHIP out of the old transmitter and
install it into the new one (refer to Fig. 11 below). For complete information transfer, make
sure both the Channel and Function dip-switch is set to all “1”. If both dip-switches are set to
all “1”, then the transmitter will operate according to the push button configurations and
channel stored inside the I-CHIP. If both Channel and Function dip-switch is set to other
values other than all “1”, then the transmitter will operate according to the channel and push
button configurations set on these two dip-switches, not the ones stored inside the I-CHIP.
Every time when the settings on these two dip-switches have changed, the new settings will
be stored into the I-CHIP automatically. In this case the previous channel and push button
configurations stored inside the I-CHIP will be replaced by the new settings.
For safety purposes, the system serial number/ID code stored inside the I-CHIP can not be
changed directly on the transmitter encoder board. Only channels and push button
configurations can be changed directly on the encoder board via Channel and Function dip-
switches. There are only two ways that you can change transmitter serial number/ID code: via
I-CHIP programming port located on the decoder module inside the receiver unit, (please refer
to page 28 on how to program the I-CHIP (serial number/ID code) via the receiver unit); or via
an external I-CHIP programmer or duplicator unit available from the factory. Please ask your
local dealers for assistance if your system requires serial number/ID code adjustments.
(Fig. 11)
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