Ametek 241CE II User Manual page 69

Hydrocarbon dewpoint analyzer
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PN 903-8797, Rev A
Keypad
The four push-buttons allow you to navigate throughout the software to
view previous results, change operating parameters, and disable, enable,
and reset alarms.
Each button uses an automatic-repeat action. For any operation that re-
quires you to press the button more than once, press and hold the button
to repeat the function. After pressing the button continuously for 1.5 sec-
onds, the function associated with the button will be repeated four times
per second. After pressing and holding the button for 5 more seconds, the
function is repeated 10 times per second, with the step size of the function
being 10 times larger if applicable. This is useful when setting values.
The push-button functions are:
Push-Button
Functions/Uses
Use the  button:
• To scroll through the main menu items from RUN Mode. Press this
button repeatedly to view other main menu items.
Use the  button:
• To scroll through the sub-menu items. Press this button repeatedly to
view other sub-menu items.
• To return to the RUN menu from other menus through the sub-menu
items. Press this button repeatedly to view other sub-menu items.
• To skip prompts without making a selection (i.e., whenever '?' appears
following information).
• To scroll through a menu to find prompts, such as "Save AppCFG?"
when changes to the Application Configuration menu parameter
settings need to be saved.
• As part of a password.
+
Use the '+' button:
• To scroll through selectable options for certain sub-menu item (e.g.,
User Relay).
• To view the last nine measuring cycles ('1' = most recent entry; '9' =
oldest entry), from the Stat\History menu (^HCD).
• To increase the value of the displayed parameter.
• To answer 'Yes' to a prompt (whenever '?' appears following informa-
tion, such as "Save AppCFG?").
• To enable the Off-Spec Alarm from the Stat\History menu if the Off-
Spec Alarm is currently disabled (when "En\Dis Alarm?" is displayed).
• As part of a password.
Use the '–' button:
• To view the last nine measuring cycles ('1' = most recent entry;
'9' = oldest entry), from the Stat\History menu (^HCD).
• To decrease the value of the displayed parameter.
• To answer 'No' to a prompt (whenever '?' appears following informa-
tion, such as "Save AppCFG?").
• To disable the Off-Spec Alarm from the Stat\History menu if the Off-
Spec Alarm is currently enabled (when "En\Dis Alarm?" is displayed).
• As part of a password.
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User Interface
3-3

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