Ametek 241CE II Operator's Manual page 90

4-4 | Model 241CE II Hydrocarbon Dewpoint Analyzer
• 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
requires 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 seconds, the function associated with the button will be re-
peated 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' = old-
est entry), from the Stat\History menu (^HCD). <<Verify this!!!
• To increase the value of the displayed parameter.
• To answer 'Yes' to a prompt (whenever '?' appears following information,
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' = old-
est entry), from the Stat\History menu (^HCD). <<Verify this!!!
• To decrease the value of the displayed parameter.
• To answer 'No' to a prompt (whenever '?' appears following information,
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.