Thermo Fisher Scientific EcoScan DO 6 - Manual (Page 38)

Instruction Manual DO 6
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6 HOLD FUNCTION
This feature lets you freeze the display for a delayed observation. HOLD can be
used in any measurement mode.
1) To hold a measurement, press the HOLD/ENTER key while in
measurement mode. The %, mg/L, ppm or T annunciator in the display will
start blinking to indicate that the measurement is being held.
2) To release the held value, press the HOLD/ENTER again. The
annunciator will stop blinking to indicate that the held value has been
released.
3) Continue to take measurements.
%
A
Annunciator Blinks when
meter is in “HOLD” mode
Figure 17: Unit in HOLD mode
Note: This meter has a selectable auto off feature which when activated will
shut the meter off automatically after 20 minutes of non use.
If the meter is shut off either automatically or manually, the HOLD value will be
lost