This document contains the release notes for WITE revision 1.85 from Guzik Technical Enterprises. WITE 1.85 is a maintenance release which provides bug fixes and minor improvements.

All discussion of features and bugs in this document uses WITE version 1.84 as a baseline for comparison. For information about features and modifications prior to 1.85, please refer to the WITE user’s manual and to the release notes for previous revisions of WITE.

The following Head Amplifiers and Head Stacks are supported in WITE 1.85.

TDA5357GMR

GUZIK_HA_3_8,(GUZIK_HA_3_20)

TDA5360CHTT4GR

TRND61845GMR

REGM61845GMR4R

32R1590AR

CXA3238

SR1578

JULIET2

81G3018

32R1590AR

• Support for separate revision of extender board for mirror machine has been added.

• Support for the 20000 RPM Guzik spinstands has been added.

• UP7 default attenuator position has been changed from 0(13db) to 2(5db).

• The ‘write’ operation during ‘Gain Adjust’ procedure has been removed.

Due to removable amplifiers powering off its EEPROM was not being read properly for particular amplifiers causing error messages during initialization, start/stop device procedure. Occasionally amplifier parameters were being handled incorrectly.

There were no new bugs known but not fixed. Please refer to the previous release notes version to obtain the list of known bugs.