Thermo Fisher Scientific Alpha DO 2000 - Manual (Page 22)

Instruction manual
Alpha DO 2000
5. Calibration Mode
You can access the Calibration mode directly from the Measurement mode
by pressing the CAL key and entering the Calibration security code “11”.
Calibration mode may also be accessed via the Setup mode (see section
6.1).
5.1 Entering Calibration Mode
MEAS
SETUP
HOLD
%
°C
SETUP
HOLD
1-point or 2-point Calibration
See section 5.2
OFS
11
13.0
22
CAL
DO
CAL ENT
ENT ENT
ENT
ENT
While in Measurement mode press CAL key (direct access) or ENT key (access via
Setup mode).
• If CAL key was pressed: The display prompts you to enter the
calibration security code (CCD). Press
▲ or ▼ key to set the
calibration security code to “11”, and then press ENT key to confirm
the calibration security code.
• If
ENT key was pressed: The display prompts you to enter the security
code (SCD). Press ▲ or ▼ key to set the security code to “22”. Press
ENT key to confirm the security code, and then press ▲ or ▼ key to
select the calibration sub-function.
The display shows “CAL DO”. To start calibration, refer to section 5.2.
Î NOTE: To exit Calibration mode at any time press ▲ and ▼ keys
simultaneously (escape). The transmitter returns to the Measurement
mode and the old calibration values remain active. The calibration
security code automatically resets from “11” to “000” after the transmitter
returns to Measurement mode.
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