
Page 10 of 44
TTI-7 Iss.02 – 06/11
DISPLAY CONTRAST: To change this display contrast, press and hold down either the
↑
or
↓
key; the contrast
will vary and may be selected for optimum viewing. The contrast and the viewing angle are changeable, and it may
be desirable to alter the contrast from time to time as your reading position alters.
A
selects channel A to the display
B
Selects channel B to the display
A-B Displays the difference between probe A and probe B
in this case the millivolt/resistance reading will not be shown.
SENS The following sensors may be configured.
Select SENS
To configure for thermocouples select T/C and the following screen will be displayed
Select from one of the thermocouple options and press OK the next screen will help you configure the reference
junction
From this screen you can choose from 3 Reference junction modes: Off switches the RJ Off. Int selects the internal RJ
and automatically compensates displaying the true temperature. Ext switches to the external RJ mode, and a PRT
should be connected to the RTD input of the channel being configured; this Prt can then be used to accurately
measure the reference junction temperature. When selecting the Ext option a choice of Prt types is available.