ThermoWorks 231-022 THERMA DIFFERENTIAL THERMOCOUPLE METER - Manual (Page 2)

MAX/MIN - Press the MAX/MIN button to display
the values. The instrument retains the max/min
values when switched off. To reset, press the
MAX/MIN button for three seconds, 'rst' will be
displayed.
BACKLIGHT - Press the HOLD button for
two seconds to turn backlight on or off.
Backlight will timeout after 20 seconds. (Please
Note: the backlight will not operate if the low
battery symbol is being displayed.)
CALIBRATION TRIM - (AquaTemp only) Press
the MAX/MIN and ON/OFF buttons at start up
for five seconds to enter ('Offset' is
displayed). Press MAX/MIN to cycle (continuous
loop) the trim value in 0.1 steps up to ±2.0 ºC
(3.6 ºF). Press ON/OFF to save the value and exit
Trim mode.
MODE - (Therma Differential only) Press the
MODE button to scroll through T1, T2 or T1 - T2.
While displaying T1-T2, press the MODE button
for three seconds to reset the differential
reading to 0.0 °C/°F.
°C/°F - Press and hold ON/OFF button for five
seconds at start-up.
GUARANTEE - This instrument carries a one-year
warranty against defects in either components or
workmanship. During this period, products that
prove to be defective will, at the discretion of
ThermoWorks, be either repaired or replaced
without charge. This warranty does not apply to
probes, where a six-month period is offered. The
product warranty does not cover damage caused
by fair wear and tear, abnormal storage condi-
tions, incorrect use, accidental misuse, abuse,
neglect, misapplication or modification. Full
details of liability are available within Thermo-
Works’ Terms & Conditions of Sale at
www.thermoworks.com. In line with our policy of
continuous development, we reserve the right to
amend our product specification without prior
notice.