Pyromation 28-02700-T - Manual (Page 14)

12
FIELD CALIBRATION LOCKOUT
AND RE-ENABLE
The calibration lockout feature, prevents any field
calibration changes. The lockout remains in effect
until a lockout re-enable has been performed. Use
the following procedures to lockout or re-enable the
field calibration operation.
Lockout Procedure
1. Turn the thermometer off.
2. Simultaneously press and hold the CAL and the
°C/°F keys down and momentarily press the ON/
OFF key. Continue to hold the CAL and °C/°F
keys for at least 5 seconds.
Re-Enable Procedure
1. Turn the thermometer off.
2. Simultaneously press and hold the HOLD and
the CAL keys down and momentarily press the
ON/OFF key. Continue to hold the HOLD and
CAL keys until the display blanks.