Delmhorst TechScan, Owner'S Manual, Page: 4 / 15

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reference points against which subsequent readings are compared. One should not
expect that the reference scales for meters of different brands and types (resistance
/capacitance) will read alike on the same material. The benchmark may be different
from one meter type/brand to another
because a given meters’ response depends
on the material used for calibration and on the me
ter’s range.
SWITCH KEY FUNCTIONS
1. On/Hold Key: Press to turn meter on, resume reading after checking calibration
or setting alarm, or hold current reading if pressed while reading. (There is a
slow beeping sound while holding a reading.)
2. Cal Check Key: Press and hold this key while in Read mode to check
calibration.
3. Scale Key: Press to select Wood scale or Reference scale.
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