Dwyer DH3 - Manual (Page 12)

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
3
4
Access
All menus access
Menu Access
SP/AL Locked
SP/AL Access
Menus Locked
All settings locked
Password Value
to Enter
10
70
90
111
Units visible, so unit
is presently set to
measure pressure
is presently set to
measure pressure
Units not visible Units not visible Units not visible Units not visible