Laser Distance Meters
Functions
9
Functions
This section shows how to use non-measurement functions.
Units of Measurement
Push and hold = (417D) or (424D) for 2 seconds to step
through the units for distance measurements. See Table 8.
Backlight
Push at the same time for 2 seconds to turn on and turn off
the backlight. The display shows the status as or
.
Keypad Lock
To lock the keypad, push at the same time.
To unlock:
1. Push .
2. Push within 2 seconds to unlock the keypad.
Memory
You can recall a previous measurement from memory, for
example, the height of a room. The Meter stores a maximum of
20 displays.
To recall:
1. Push 1x.
2. Push and to move through the stored displays.
Z?and the memory ID show on the display.
3. Push for 2 seconds to use the value shown in the
Summary line for further calculations.
To delete:
• Push and at the same time.
The Meter deletes all the stored values in memory.
Addition/Subtraction
The Meter adds and subtracts a value to a single distance, area,
and volume measurements.
To add or subtract:
1. Push to add the next measurement to the previous
measurement, or push to subtract the next measurement
from the previous measurement.
2. Do these steps again for each measurement.
The total measurement result is always shown in the
summary line with the value before in the second line.
3. Push to cancel the last step.
Table 8. Units of Measure
417D 424D
0.000 m 0.000 m
0.0000 m 0.0000 m
0.00 ft 0.00 m
0′ 00″ 1/32 0.00 ft
0 in 1/32* 0′00 1/32*
* Default 0.000 in
0 in 1/32
* Default
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