TSI Instruments HM685, Owner'S Manual

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2-1
C H A P T E R 2
G e t t i n g S t a r t e d
K e y p a d
Each key and its function are described below.
▲▼
The ▲and ▼keys are used to navigate through menus or to select
an item to change. When entering text, these keys change the
highlighted letter/number.
◄► The ◄ and ► keys are used to change the selected item. When
entering text, these keys move the cursor to the desired location in
a left/right or up/down direction.
ESC The ESC key returns to the previous screen or to cancel an
operation without saving changes.
The ENTER key selects a menu item or accepts changes made
within a menu item and returns to the previous screen. From either
the Pressure or Flow Measurement screens, pressing the
ENTER
key accesses the Main Menu.
READ Pressing the READ key initiates taking a time-averaged reading
based on Log Mode and Log Settings. After taking the reading, the
values are stored to memory (current Test ID) and displayed on
screen for a period of four (4) seconds or until the
READ key has
been pressed again. The READ key also updates the calculations
with current readings in the CALCULATIONS Menu. See Chapter 4
for more details on Data Logging and adjusting the log mode,
sample interval and log settings.
Press the BACKLIGHT key to turn the displa
y’s backlighting on
or off.
Note: Backlighting has a significant impact on battery life. Use
backlighting only when working in areas where you cannot
read the display with existing light.
DATA Press the DATA key from either the Pressure or Flow
Measurement screens to access the Data Logging Menu.
PRESS Press the PRESS key from the Flow Measurement screen to
access the Pressure Measurement screen.
Press the key to turn the HM685 Hydronic Manometer on or off.
CALC Pressing the CALC key from either the Pressure or Flow
Measurement screens provides access to the Calculations Menu.
FLOW
Pressing the FLOW key from the Pressure Measurement screen
provides access to the Flow Measurement screen.