Sigma Controls Myriad TPC LITE Instruction Manual page 14

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To reset the #1 timer use the   keys to change the saved value to zero. Select 'NEXT'
and press enter to access elapsed timer 2. Follow the procedure above to reset this timer to
zero. Reset other timers in the same way.
Use the   keys to highlight 'NEXT' and press the enter key to move to the trend screen
speed screen.
TREND SPEED SCREEN
NOTE: The trend screen is provided as a diagnostic tool. This trend graphic will display the
process value over the time duration selected. The duration of the trend is selectable between 2
minutes, 2 hours, 12 hours and full speed. The trend is non-retentive and will overwrite previous
data.
Use the   keys to select the desired time base and scroll to 'NEXT' and press 'ENTER' to
move to the 'Change Password' screen.
'CHANGE PASSWORD SCREEN'
Once the password has been changed make sure a record of the new
!
password is retained.
Access to the programming menus requires a correct password.
Use the   keys to enter a number up to 9999, select 'NEXT' and press 'ENTER' to enter the
'change clock' menu.
CHANGE CLOCK, MONTH, DATE AND DAY SCREENS
As described previously use the   keys to set the screen to the current time. Scroll to
'NEXT' and press 'ENTER' to move to the change month screen.