The LCD touch screen displays critical information, including alarm status and room
mode.
Table 1. Room icon condition colors
| Color |
Definition |
| Green |
The
room icon is colored green (NORMAL) when the
room pressure and/or other configured measurements are adequate.
This light indicates that the room is operating safely. If a
setpoint cannot be maintained or an alarm limit has been reached,
the icon changes from green to red. |
| Red |
The
room icon is colored red (ALARM) when the
room pressure or other configured measurements exceed alarm limits.
This light indicates the room is not operating safely. The LCD
screen also indicates the type of alarm or an emergency
message. |
|
Gray
1
|
The
room icon is colored gray to indicate No Isolation mode. In No
Isolation mode, the device does not alarm. |
|
This operator key can appear on the LCD touch screen:
Table 2. Operator key
| Key graphic |
Key name |
Key function |
|
MUTE
|
The
MUTE key silences an audible alarm. The
alarm remains silent until the MUTE TIME value has been reached or
the measurement returns to the control setpoint. |
|