Teledyne SnackO2 - Food package analyzer - Manual (Page 11)

Teledyne Analytical Instruments
11
In the sleep mode, the analyzer will shut down the sensors and most of the
processor functions in order to conserve battery power. The sleep mode is indicated
by four dots (
•••• •••• •••• ••••
) along the bottom of the display.
To return the analyzer to the Operate Mode, cycle the Power switch off and then on.
Auto Hold Function
The Auto Hold function allows the user to have the oxygen value hold in the display
when the sample pump turns off. This function can be turned on or off in the
parameter menu.
Battery Level Indicator
The level of battery power can be indicated by pressing the upper left hand corner of
the analyzer display decal (just above the MENU button). Four chevrons (<<<<)
indicate full battery charge. As the battery charge weakens, the number of displayed
chevrons will decrease.
Battery Charging
Both the internal and external batteries may be charged by plugging the Power
Supply/Charger into the POWER SUPPLY receptacle located at the bottom of the
analyzer.
Filter
In order to prevent damage to the sensors or sample pump it is necessary to use the
inline filter every time you are drawing a sample. The filter should be checked
periodically and replaced if there are any signs dirt or discoloration in the filter.
The analyzer has a secondary, internal filter. Typically this filter will never need to
be changed.
Oxygen Resolution Adjustment
The oxygen resolution adjustment is not functional with the SNACK O
2
gas analyzer.
Jumper J1 should remain open.
Sensor Life Indicator
The estimated remaining sensor life can be displayed by pressing the upper right
hand corner of the analyzer display decal (just above the arrow-up button). Four
chevrons (<<<<) indicate that the oxygen sensor is good. As the oxygen sensor