
Instruction Manual TN-100/ T-100
3
1.3 Keys and Functions
The keypad has five keys: ON/OFF, CAL, ▲, ▼, and READ/ENTER.
Keys Functions
ON/OFF
- Powers on and shuts off the meter. With the auto switch-off feature
the meter automatically shuts off 20 minutes after last key press.
CAL
- Initiates the calibration mode of the meter. When pressed, the meter
is set to accept the first calibration standard.
- It is also used to exit the calibration mode if the user does not want
to follow the complete calibration procedure.
READ /
ENTER
- When in measurement mode, the READ/ENTER key is used to
perform a measurement.
- Single-shot measurements
: When the key is pressed and released
immediately (a quick key stroke of less than 0.3 seconds), the
display will blink [-Rd-] for 10 times and then display the measured
value.
- Continuous measurements
: If the READ/ENTER key is pressed and
held, the instrument will perform a continuous measurement during
which the display is updated every 2 seconds. This can be used for
indexing vials. (This function is not available in calibration mode).
After the READ/ENTER key is released, the instrument will
automatically perform a single-shot measurement.
- When in calibration mode, the READ/ENTER key is used to confirm
the measurement for the calibration standards.
▲and▼ - Active only during calibration mode. These keys are used to select
the calibration point in an incremental/ decremental manner.
NOTE: This meter is also fitted with an auto incrementing feature, i.e.
after the successful calibration of one point it auto selects the next
calibration point, or automatically exits the calibration mode after the
fourth calibration point.
READ
ENTER
CAL
OFF
ON
WATERPROOF
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