Description

For firmware written after 09/09/1994 the firmware version can be ascertained by nolding the inc & dec buttons pressed while powering the unit on. Display shows four sets of 2 digits continuously while the buttons are pressed e.g. 40-31-00-71 for the 09/09/1994 version

01/11/1996 – K3CV4032.0042 – added off to controllers (goes to reset value)
29/10/1996 – K3CV4032.0036 – pitch bend centre facility added
30/09/1995 – K3CV4032.0028 – allow arp clk to do 24 ck/qn
25/09/1995 – K3CV4032.0025 – put arp clk into new sy24 system
16/07/1995 – K3CV4032.0015 – changes to sy24
12/04/1995 – K3CV4031.0085 – omni-on flag now ignored
08/12/1994 – K3CV4031.0080 – changed optional tr606 routines to handle tr808 also
01/12/1994 – K3CV4031.079 – changed midi monitor mode to default to midi note #
09/09/1994 – K3CV4031.071 – panel display of software rev + midi monitor mode added

For the following versions the cover must be removed and the label on the eprom looked at to ascertain the firmware version. Ensure that the unit is unplugged from the mains supply before removing cover, and that the cover and screws are replaced before reconnecting.

18/05/1994 – K3CV4030 – TR-606 routines removed ?
10/01/1994 – K3CV4229 – added tr-606 routines – corrected bug in iw (wasp) setup
05/06/1993 – K3CV4028 – changed arp clk to give more equal hi & lo pulses
14/12/1992 – K3CV4027 – removed experimental zipper noise reduction
10/12/1992 – K3CV4026 – multiple notes off – reduce zipper noise
19/09/1992 – K3CV4025 – can be factory set to include wasp or not
30/08/1992 – K3CV4024 – improved test procedures
30/08/1992 – K2CV4023 – put optional wasp port on separate channel
24/05/1992 – K2CV4020 – added new note takes precedence & quick test mode
24/05/1992 – K2CV4019 – arp 2600 trigger improved
14/05/1992 – K2CV4018 – added arp clk & sync skt test
14/05/1992 – K2CV4017 – corrected 9s – added self test for eeprom
04/05/1992 – K2CV4016 – add range
04/05/1992 – K2CV4015 – auto repeat added
02/05/1992 – K2CV4014 – push button bug cured
02/05/1992 – K2CV4013 – trigs
30/04/1992 – K2CV4012 – removed original minimum settings – now initial offset

Any intermediate versions not listed only involve changes to factory test and setup routines