Omega Vehicle Security HH-21 - Manual (Page 13)

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Display reads (1) No thermocouple or a damaged ther-
mocouple is plugged into the selected
input.
NOTE: When viewing T1-T2, there
must be a thermocouple plug-
ged into both input jacks.
Display reads momentarily. (1) This indicates that an invalid entry has
been made. Review keystroke se-
quence, or consult manual for input
instructions.
Display reads during (1) This indicates the temperature range
temperature measurement. has been exceeded for this thermo-
couple type. Remove thermocouple
from temperature source.
WARNING
Do not touch the probe sheath
when measuring excessively
high or low temperatures.
WARNING
Probe damage and personal
injury could result from exceed-
ing a probe’s maximum tempera-
ture ratings.
2. DISPLAY ANNUNCIATORS
Each item on the display (Figure 2) is described below in detail. To better
familiarize yourself with the thermometer’s display annunciators, please read
this section.
1. Input Selection Annunciator
This annunciator will indicate which input is being monitored.
— thermocouple T1
— thermocouple T2
— the difference between the two thermocouples T1-T2
T1 T2 T1-T2
T1
T2
T1-T2