OPERATION OF VRAE
2 - 15
the LCD display together with the current date, time and
temperature.
8/3/96 8:30
On = 3:50 20
°
C
9) The
datalog
menu shows the current datalog mode. If
the VRAE monitor is non-datalog monitor, this menu
will not show up. If manual datalog mode is selected, the
menu will prompt the user to turn on or off datalogging.
Pressing the
[Y/+]
key while “Start Datalog?” message is
displayed turns on the datalogging. Likewise, pressing
the
[Y/+]
key while “Stop Datalog?” message is displayed
turns off the datalogging.
10)The monitor displays the selected
LEL
gas name
if the
combustible sensor is installed. When an LEL gas is
selected, the “calculated” gas concentration based on the
built-in correction factor for that specific gas will be
displayed.
11)The monitor displays pump speed “High” or “Low.”
Press [Y/+] key to accept the displayed speed. Press
[N/–] key to toggle to the other speed.
12)From the LEL/VOL menu the user can select the
operating mode of the LEL/TC sensor: “LEL”, “VOL”, or
“Autorange”. See Section 4.8 for more details.
