Innotech Systems SpitFIRE II User Manual
Page 18

SpitFIRE
Innotech Systems Inc.
Page 18
Device Code Read-back
After the SpitFIRE is programmed with either
Search mode, you will not know the resultant
ISI number. To read back the current ISI
number, the key sequence is as follows.
SOURCE – PROGRAM - Digit – PROGRAM
Where SOURCE is the slot that you want to
read back. (41h - 44h), PROGRAM is 40h, Digit
is either 1, 2, or 3 for the Hundreds, Tens, or
Ones digit respectively.
The SpitFIRE will return a flash count of 0 to 9
to indicate the digit.
Example: To read the ISI number of the TV slot
TV(43h)
Return 1 flash (0xA1)
PROGRAM(40h)
Return 2 flashes (0xA2)
1 (01h)
Return 1 flash (0xA1)
PROGRAM(40h)
Return 100s digit of TV
e.g. 1 flash (0xA1)
2 (02h)
Return 1 flash (0xA1)
PROGRAM(40h)
Return 10s digit of TV
e.g. 2 flashes (0xA2)
3(03h)
Return 1 flash (0xA1)
PROGRAM(40h)
Return 1s digit of TV
e.g. 5 flashes (0xA5)
Therefore the ISI number of the device in the
TV slot is 125.
While in this mode, you can freely go between
the 100s, 10s and 1s digits to recount the
flashes. To exit this mode, press a source key.
NOTE: You can program any type of device in
any of the 6 slots available. For example if you
have 2 VCRs you can set one up on the VCR
slot and the other in the AUX slot. However, if
you use Search, the VCR slot will only scan for
VCRs whereas the AUX slot will scan all
devices in the library.
Punch-Through
Availability of this feature varies depending on
the type of TV, VCR, and cable box used.
It can be very convenient to selectively transmit
button codes that are not for the currently
selected device. For example, when set for
Cable box operation, Punch-through can permit
the volume commands to adjust the television
volume. Similarly, TVs generally do not have a
PLAY button but VCRs do. If the last
SOURCE button pressed was TV, and the user
presses PLAY, punch-thru allows the SpitFIRE
to press PLAY on a source that does have a
PLAY button without first switching to it.
The SpitFIRE defaults to punch-thru being
disabled. If a user presses a key that is not
implemented on the currently active source, the
SpitFIRE will return an error status (0xB3) that
says that the desired button does not exist. If
punch-thru is enable, the PLAY message will be
transmitted on the first programmed device that
has a PLAY button implemented. You will only
get an error if PLAY doesn’t exist on any of the
programmed sources.
NOTE: If you press a button on a source that