User's Manual

Display and Operation Panels Model 7500ZA
Teledyne Analytical Instruments 28
Name Description Name Description
(1) MODE key Used to switch the mode. (5) ESC key Used to return to the
previous screen or
cancel the setting
midway.
(2) SIDE key
Used to change the selected item (by
moving the cursor) and the numeral
digit.
(6) ENT key Used for confirmation of
selected items or
values, and for
execution of calibration.
(3) UP key
Used to change the selected item (by
moving the cursor) and to increase the
numeral value.
(7) ZERO key Used for zero
calibration
(4) DOWN key
Used to change the selected item (by
moving the cursor) and to decrease
the numeral value.
(8) SPAN key Used for span
calibration