At a Glance

TDS 620A, 640A, & 644A User Manual

1. Press front-panel menu button.
(Press SHIFT first if button
label is blue.)
2. Press one of these buttons to
select from main menu.
3. Press one of these buttons to
select from side menu (if
displayed).
4. If side menu item has an ad-
justable value (shown in re-
verse video), adjust it with the
general purpose knob or
keypad.
To Operate a Menu