Dwyer DHII User Manual

Page 12

MAIN MENUS and SUB MENUS

SECr (Security) MAIN MENU

SECr is the only SUB MENU in the security MENU. When the security SUB MENU is selected,

the present security level is displayed in the upper right hand display. To change the
security level, adjust the number displayed to the number shown in the following table for
the desired security level.

The password values shown in the table cannot be altered, so retain a
copy of these pages for future reference.

OPEr (Operation) MAIN MENU

The OPEr MENU selects the measurement type of the instrument.
The SUB MENUS are:

PrES - Pressure

KFAC - K Factor

XDIM - X Dimension

UEL - Velocity

ArEA - Area

YDIM - Y Dimension

FLO - Flow

DIA - Diameter

If the instrument is set for Velocity, the OPEr MENU will have an additional KFAC SUB MENU. If the
instrument is set for Flow, the OPEr MENU will have additional KFAC and ArEA SUB MENUS. These
will be discussed under Velocity and Flow. When scrolling through the OPEr SUB MENUS, the
measurement type the unit is currently set for will show the units in the upper right display. The other
measurement types will have a blank upper right display.

Security Level Displayed
1
2

Access
All menus access
Menu Access
SP/AL Locked
SP/AL Access
Menus Locked
All settings locked

Password Value to Enter
10
70

111

Units visible, so unit

is presently set to

measure pressure

is presently set to

measure pressure

Units not visible