MSA Ultima Series User Manual

format (e.g.: 4:00 P.M. = 16:00). (Leading zeros are required.)
a. If your entry is valid, press ENTER button to save this time.
b. If your entry is invalid, it will not be accepted; re-enter the
correct time or press the CLEAR button to cancel
and start over.
• The DEL button allows for correction during entry.
Setting the Internal DATE of the Controller
NOTE: Momentarily pressing the DATE button displays the
current date.
1. Place unit in the READY mode.
• Display prompts: "ULTIMA READY" or "ULTIMAX READY".
2. Press and hold the DATE button until the MM-DD-YYYY prompt
appears. (Leading zeros are required.)
3. Enter the current date using the NUMBER buttons.
a. If your entry is valid, press ENTER button to save that date.
b. If your entry is invalid, it will not be accepted; re-enter date
or press the CLEAR button to cancel and start this
procedure again.
• The DEL button allows for correction during entry.
When Sending a Command
to the Ultima/Ultima X Series Gas Monitor
1. The Controller must be READY prior to any key press.
2. To change any function on the Ultima/Ultima X Series Gas Monitor,
point the top of the controller directly at the clear face of the sensor
(FIGURE 1-2) and press the desired sequence of controller
buttons. (The controller must be pointed at the sensor when the
final button of sequence is pressed.)
• The top surface of the controller must be within six inches of
the sensor face to enable reception
• Each button pressed is acknowledged by a short beep
• The CLEAR button is acknowledged by a double beep
• When invalid responses are entered, the controller resets
to the READY mode or re-prompts user for a correct entry.
Note on Resetting latched Alarms
When an Ultima/Ultima X Gas Monitor has an active latched alarm
1-6

MSA Ultima Series Specifications

General

Display	LCD with backlight
Communication Ports	RS-485, Modbus RTU
Measurement Range	Depends on sensor connected
Accuracy	Depends on sensor connected
Outputs	relays
Certifications	UL