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Introduction H25-IR
6 Instruction 3015-4342
1.7 Names and Functions of Components
1.7.1 Front View
Front Panel Buttons
ENT
(Enter)
• Selects a highlighted menu item.
• Saves a selection or manually entered data (e.g. date and time).
ESC
(Escape)
• Displays a previously viewed menu or data screen.
• Cancels a data entry function; retains old data; and displays previous screen.
VOL
(Volume)
Volume adjustment. The Up and Down buttons slowly raise and lower the volume; the
Left button sets volume to minimum; and the Right button set volume to maximum.
SETUP
Selects one of four user-defined setups consisting of: Range, Gas Type, Feedback Mode,
and the Auto Zero OFF condition.
MODE
Toggles the operating mode between Search and Measure.
RANGE
Selects one of three sensitivity ranges (small, medium, or large leak).
ZERO
Zeros the gas reading.
LOG
Logs the currently displayed gas measurement in memory when in the Measure mode,
where it can later be reviewed using the Main menu’s LOG function.
MENU
Press both the ENT and ESC buttons at the same time to display the Main menu.
CAL
(Calibration)
Starts the calibration process where the instrument is calibrated to a known leak
source using either the instrument’s front panel Calibration Port, or a customer
supplied external leak source.
Menu selection and data entry buttons:
Up − Moves selected (highlighted) menu item up through screen, or increments an
alphanumerical value when entering data.
Down − Moves selected (highlighted) menu item down through screen, or decrements
an alphanumerical value when entering data.
Left − Moves cursor left across screen.
Right − Moves cursor right across screen.