Laser Detection at its Best
Page 5
Instruction Manual
Digital Laser Receiver Metor
Model: MTR-90R
Activate / deactivate LEDs
Press the LED button
[18]
to change the LED display. If
activated, the measurements are shown by the LEDs in
addition to the display.
User defined on-grade level:
An arbitrary level
within -10 and +40mm
around the
marking notch can be used as on-grade level. The user
defined on-grade level is set by pressing the accuracy
button
[17]
for
two seconds
while the device is in the
laser beam. If successful, you will hear a confirmation
beep and an asymmetric arrow symbol is shown on the
display. Outside the allowed area you will hear an error
beep and error code
E30
is shown.
When the accuracy button
[17]
is pressed for t
wo
seconds
while out of beam, the on-grade level is reset
to default. If the device is switched off, the on-grade
level is automatically reset to default.
Using the menu
The menu functions can be used to edit various
options. For most applications the factory defaults are
best choice. We recommend to change settings only in
special applications.
!
Pressing the volume
[16]
key for more than two
seconds enters the menu functions.
!
Menu items (e.g.
SEn
are shown non-flashing and
may be browsed by using the ARROW keys
[17]
and
[18]
.
!
Menu items are selected by pressing the ENTER
key
[16]
!
Item values (e.g.
On)
are shown flashing and may
be browsed by using the ARROW keys
[17]
and
[18]
.
!
Exit the Menu by pressing the ESC key
[15]
.
Ultra fine
Fine
Medium
Coarse
Ultra coarse
0.5
1.0
2.0
5.0
10.0
0.05
0.1
0.2
0.5
1.0
0.02
0.05
0.1
0.2
0.5
-
1/8
1/4
1/2
-
mm
cm inch Fract.In. Display
flashing
non-flash.
non-flash.
non-flash.
flashing
NOTE: Make sure that the laser-sensitive
area
[5] is not partially covered during
measurement. This can entail false
measuring results.
Switching the device on / off
Press the On / Off button
[15]
Adjusting the volume
!
Pressing the beeper volume button
[16]
cycles
Low / High / Off
>
High: Beeper symbol permanently displayed;
text "Hi" for one second
>
Low:
Beeper symbol permanently displayed;
text "LOW" for one second
>
Off:
No Beeper symbol displayed;
text "OFF" for one second
Adjusting the accuracy
!
Press accuracy button
[17]
once to numerically
display current accuracy setting on the LCD. Press
again, while the accuracy is displayed (within one
second), to change the current selection.
!
Operation
Battery (Fig. A/D)
Inserting / changing the battery
!
Change the battery if is displayed .
!
Open the battery compartment by unlatching the
battery door
[12]
.
!
Remove the battery and insert a new one
(observe correct polarity!).
!
Dispose of the used battery (see chapter on
environmental protection).
Grade indication arrows
Four individual levels of grade information for above
and below grade. Arrow size increases, as distance
from on-grade increases. Arrow bars represent steps of
the selected deadband. Horizontal bar indicates on-
grade.
Out-of-beam display: A sequence of arrows indicates if
the receiver has moved beyond the vertical reception
range and will indicate in which direction to move to get
back to the laser beam.
Subsequent presses will cycle through five
accuracy options Ultra fine / Fine / Medium / Coarse
/ Ultra coarse.
