Omega-speaker-systems HH-23A User Manual download pdf (Page 16)

The DISPLAY RESOLUTION key selects whether the tempera-

ture readings will be displayed in high resolution (0.1°C or °F) or

low resolution (1°C or °F). At initial power-up, the thermometer will

read in high resolution.

NOTE:

• Key selection is retained during power off.

The THERMOCOUPLE TYPE SELECTION key selects which

type of thermocouple the thermometer will be set up to use (Type

K, J or T). Upon initial power-up, the thermometer will be ready to

accept a K Type thermocouple. To change the thermometer to

accept a Type J thermocouple, press the THERMOCOUPLE

TYPE SELECTION key. Press the key a second time to select

Type T. To change back, press the key until desired type is dis-

played. Thermocouple probe plugs are color coded. Type K

Thermocouples have a yellow plug, Type J Thermocouples have

a black plug, and Type T Thermocouples have a blue plug.

NOTES:

• Key selection is retained during power off.

• To insure proper temperature readings, be sure

that the displayed thermocouple type matches

the type of thermocouple you are using.

The HOLD key, when pressed, will “freeze’’ the temperature read-

ings on the display. To get out of the Hold mode, press the HOLD

key a second time.

The INPUT SELECTION/SCAN key selects which thermocouple

input the thermometer will display; thermocouple T1, thermocou-

ple T2 or the difference between thermocouples T1 and T2. Upon

initial power-up, the thermometer will default to channel T1. To

select channel T2, press the INPUT SELECTION key (input

selection annunciator will appear). To view the difference

between the two inputs, calculated as T1 minus T2, press the

INPUT SELECTION key a second time (input selection annunci-

ator will appear).

To scan inputs T1, T2, T1-T2, press the INPUT SELECTION/

SCAN key a third time. (The SCAN annunciator will then appear.)

The unit will then sequentially display the readings of T1, T2, and

T1-T2. To return to T1, press the key again.

T1-T2

0.1°

1°

HOLD

T1 T2

T1-T2

K J

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Omega-speaker-systems HH-23A User Manual Page 16

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