Omega Vehicle Security HH502 User Manual
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4. When the thermometer is turned on. The Relative set value and Hi/Lo Limits
set value that was in use when thermometer was last turned off set values.
T1/T2/T1-T2 second display Input Selection
The input selection indicates which input is selected for second display; T1
thermocouple, T2 thermocouple or the difference between the two thermo-
couples (T1-T2), when the thermometer is turn on, it is set to T2 input can
select alternate of thermocouple by second display K/J key switch.
K/J T2 Input thermocouple type select (second display)
The K/J key switch the T2 input selects the K-type or J-type thermocouple
as input, when second display input selected T2.
When the thermometer is turned on, it is set to the type selected that was
in use when the thermometer was last turned off.
Hi/Lo Limits mode (only Main display)
Press Hi/Lo Limits key to enter the Hi/Lo Limits comparative mode,
is
displayed, when input temperature value exceed Hi or Lo Limits value. The
beeper emits a continuity pulse tone. Press Hi/Lo Limits key again to exit
the Hi/Lo Limits mode.
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