ATI
Q45S/87 Portable Wet H
2
S Monitoring System
Part 5
– Operation
17
O&M Manual
– Rev-C
The user interface for the Q45 Series instrument consists of a custom display
and a membrane keypad. All functions are accessed from this user interface (no
internal jumpers, pots, etc.).
Figure 7 - User Interface
MENU ICONS
UNITS
12-CHARACTER
SECONDARY
DISPLAY
MEMBRANE
KEYPAD
MENU
ESC
ENTER
A
B
DIAG
FAIL
HOLD
CAL
CONF
MENU ICONS
UNITS
12-CHARACTER
SECONDARY
DISPLAY
MEMBRANE
KEYPAD
ENTER KEY
LEFT ARROW
KEY
4-DIGIT
MAIN DISPLAY
MENU/ESCAPE
KEY
UP ARROW
KEY
SIGN
RELAY/LO-BAT
INDICATOR
4-KEY USER
INTERFACE
RELAY
INDICATOR