Amprobe TMD-53 User Manual - Page 14

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value can also be entered by the user. (See "SET mode"

later in this manual). When the desired relative value

has been entered, press "REL" key to enter the relative

mode and than press "SET" key use the entered relative

value as a reference value. Press "REL" key again to exit

the relative mode. In the relative mode, the value (can

not >±3000.0 counts) shown on the LCD is always the

difference between the stored reference and the present

reading.

"Sec. Minu." Selecting the Time scale

Press this key to display the elapsed time on the third

display in either hours and minutes or minutes and

seconds. When the thermometer is turned on, it is set to

seconds. To change the time scale, press "Sec. Minus."

key. Maximum elapsed time reading is 100 hours. If 100

hours is exceeded, the elapsed time resets to zero.

"SET" Mode (Relative value set, Time set and Hi/

Lo Limits value set)

1. Press the "SET" key to enter relative values SET

mode (Press "ENTER" key to skip setting relative

value). "= = = =.=" is displayed on the main display.

The relative value is entered via overlay numbers,

press overlay "ENTER" key to store the relative

value, and advance to elapsed time set mode.

2. Elapsed time set mode, (Press "ENTER" key to

skip Elapsed time set mode) "=.= = = : = =" is

displayed in second and third display. Time (hours,

minutes,seconds) value is entered via overlay

numbers, press overlay "ENTER" key to store time

value. Elapsed time starts from set time value.

3. Hi Limit value set mode, "

"ENTER" key to skip Hi Limit value set mode),

"= = = =.=" is displayed in main display, Hi Limit

value is entered via overlay numbers, then press

" is displayed (Press