General DT8852 Manual Del Usuario página 4

• Pressed once briefly in Record mode, switches primary
temperature display to show maximum temperature recorded
since entering Record mode.
• Pressed twice briefly in Record
mode, switches primary display to
show minimum temperature recorded
since entering Record mode.
• Pressed a third time briefly in Record
mode, resumes showing real-time
temperature sensed by T1 input on
primary display without exiting
Record mode.
• Pressed and held with unit in Record
mode, exits operation in Record mode
and resumes operation in real-time
mode.
• Also used with
buttons to select thermocouple type.
E. DC9V jack (on side)
F. °C/°F button:
• Toggles between Celsius and Fahrenheit temperature units.
• Also used to select thermocouple type.
G. button. Pressed briefly, turns LCD backlight on for 30 seconds.
H. Battery compartment cover (opens from back)
I. CHANNEL button (DT8852 and DT8856):
• Pressing CHANNEL button once switches primary display to show
value of T2 input and secondary display to show value of T1 input.
• Pressing button again switches primary display to show
difference between T1 and T2 inputs (T1-T2) and causes
secondary display to toggle between T1 and T2 readings.
• Pressing button again resumes normal display (T1 on primary
display and T2 on secondary display).
TIMER button (DT8855). Pressed briefly, starts relative time clock for
use as measurement reference.
J. REL/HOLD button:
• Pressed briefly, "freezes" primary temperature readout with T1
reading while allowing secondary readout to continue updating
with real-time T2 value.
4
, REC and °C/°F
Fig. 1
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A
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C
D
E
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G
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