Bacharach H25-IR manual Names and Functions of Components, Front View

Introduction H25-IR

1.7 Names and Functions of Components

1.7.1 Front View

Front Panel Buttons

ENT	• Selects a highlighted menu item.
(Enter)	• Saves a selection or manually entered data (e.g. date and time).
ESC	• Displays a previously viewed menu or data screen.
(Escape)	• Cancels a data entry function; retains old data; and displays previous screen.
VOL	Volume adjustment. The Up and Down buttons slowly raise and lower the volume; the
(Volume)	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	Starts the calibration process where the instrument is calibrated to a known leak
(Calibration)	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.

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