SETTING DATE AND TIME
With the analyzer running, press the Func Key repeatedly to access the
date/time screen. From this function Time, Date and Year can be changed.
If the Date and Time do not need to be changed, press the Func Key to
bypass this function and return the 712 to combustion analyzer mode
(Function 1).
1. Once the Time, Date, and Year screen is displayed, press the Scroll/Enter
Key once to allow you to change the data.
2. Press the Up Arrow Key to Increase the Minutes.
3. Press the Down Arrow Key to Decrease the Minutes.
4. Press the Scroll/Enter Key to confirm the desired Minute and move onto
the Hours.
5. Repeat steps 2 to 4 to change the Hour, the Day, the Month and the Year.
6. The unit will return to normal after the desired Year has been confirmed
Function Display 4 (Date / Time)
Time
Date / Month
Year
25
Combustible Gas Leak Detector Mode
Press the Func Key repeatedly until the 25 second countdown screen is
reached. The 712 will countdown from 25. The countdown may be repeated
several times until the sensor initiates.
1. Ensure you have the A763 Pump Protection Filter connected to the Gas
Sample Port (see figure below and page 7)
ENSURE THAT THE PUMP PROTECTION FILTER ASSEMBLY IS IN PLACE AT
ALL TIMES IN THIS FUNCTION
2. Locate combustible gas leaks by putting the inlet of the 712 near fittings
and valves. Leaks will show as a level between 0 and 3 and an audible beep
will be heard.
Level of Combustible Gas detected as follows: -
After initialization the screen on the left
will be displayed to indicate that there
is no combustible gas present. When
the 712 senses any combustible gas
the screen will change (example on
right) and give an indication to the user
the level of gas being detected.
Display
Amount of Combustible Gas
Tone Sounded
0
0 ~ 30 ppm
No Tone
100 ppm Undr
30 ~ 100 ppm
Tick Tone
1000 ppm Undr
100 ~ 1,000 ppm
Long Pitched
5000 ppm Undr
1,000 ~ 5,000 ppm
Medium Pitched
9999 ppm Undr
5,000 ~ 10,000 ppm
Short Pitched
9999 ppm Up
> 10,000 ppm
Shorter Pitched
24
