Omega Speaker Systems HH303 - Manual (Page 8)

Type K J Thermometer

IV. Operation Instructions :
4.1 Power-Up
Press the    
IIII key to turn the thermometer On or OFF.
4.2 Connection the Thermocouples
For measurement, plug the thermocouple into the input
connectors.
4.3 Selecting the Temperature Scale
When the meter was first power on, the default scale setting is
set at Celsius (°C) scale. The user may change it to Fahrenheit
(°F) by pressing “ °C/°F ” button and vice versa to Celsius.
4.4 Selecting the Thermocouple Type
By default, when the meter is powered on, it is K-Type, One may
press and hold “°C/°F” button and then power on the meter, then
it will change to J-Type.
4.5 Data-Hold Operation
The user may hold the present reading and keep it on the display
by pressing the “
HOLD ” button. When the held data is no longer
needed, one may release the data-hold operation by pressing
“
HOLD ” button again.
When the meter is under Data Hold operation, the “    REL”,
and “ °C/°F ” button are disabled.
4.6 T1,T2,T1-T2 Display Control:
One may select T1,T2 or T1-T2 to show on the main display by
pressing button. When T1 or T2 is select to show on the
main display, the other temperature will be shown on the second
display. When
one select T1-T2 to show on the main display,
T1 and T2 will be shown on the second display alternately.
4.7 Relative Operation for Main Display:
When one press the “    REL” button, the meter will memorize
the present reading and the difference between the new
reading and the memorized data will be shown on the display.
Press the “
   REL” button again to exit the Relative operation.