Optical Axis Adjustment; Names And Functions Of Optical Axis Adjustment Parts - Takex PXB-50HF-KH Instruction Manual

6

OPTICAL AXIS ADJUSTMENT

6-1

NAMES AND FUNCTIONS OF OPTICAL AXIS ADJUSTMENT PARTS

Names of the Optical Unit
View finder
Swing arm
(Red)
Note: For vertical
angle
adjustments
Swivel base
(White)
Note 1: For horizontal angle
adjustments
Note 2: Single notch is
equivalent to 3°
Horizontal angle fine adjustment screw
(White)
Note: For horizontal angle adjustments
Double Ring Alignment Mechanism
Visible from the view finder
Near
Note: Sequence of
Far
Names of the Operation Section
Note: This section describes the name and function of each part used during optical axis adjustment.
Alarm LED
Note: Only available
on the receiver
• Lights up when an
alarm is output.
Sensitivity attenuation
LED
Note: Only available on
the receiver
• Lights up when the
sensitivity is
insufficient.
Transmitter:
• Transmitter LED switch
Receiver:
• Auto gain lock switch
Horizontal
Vertical angle adjustment screw
(Red)
Note: For vertical angle
adjustments
Near
When the view finder is
looked closely, view appears
as the diagram on the right.
Adjust the angle so that the
target color appears in the
center of the ring.
Far
When the view finder is
looked from a distance, the
view appears as the diagram
on the right.
adjustment
Adjust the angle so that the
target color appears in the
center of the ring.
Upper transmission/reception authorization LED
Lower transmission/reception authorization LED
Upper/lower changeover switch
Monitor jack Note: Only available on the receiver
Sound check switch Note: Only available on the receiver
By aligning the optical axis correctly, a protection line with sufficient margin
of sensitivity can be created, reducing the occurrence of malfunction.
Always adjust the optical axis on both upper and lower levels.
Reflector Section Horizontal/Vertical Angle Adjustment Method
Rough adjustments
+90°
Coarse adjustments can be made
by moving the swivel base
within the range of 0˚ to ±90˚.
Rough adjustments
Vertical
+10°
–10°
The inclination of the reflector can
be switched between -10˚ and +10˚
by pushing it forwards or
backwards.
(The accuracy high)
Transmitter
Each time the switch is pressed, the optical unit that transmits the light switches.
Only transmit
Transmit from both upper and lower
from upper
Receiver
Each time the switch is pressed, the optical unit that receives the light is switched.
Received on both upper/lower Only received on upper
• The monitor output voltage can be checked by using a commercially available tester.
• Light reception level can be checked by the sound tone.
In the walk test mode, the beep sound is generated according to the alarm output.
Fine adjustments
–90°
Next, fine adjustments of 0˚ to ±5˚
can be made using the horizontal
angle adjustment screw.
Fine adjustments
+10°
Next, fine adjustments of 0˚ to ±10˚
can be made using the vertical
angle adjustment screw.
The corresponding LED lights up when the
light transmission/reception is authorized.
(The upper and lower can be switched by
he upper/lower changeover switch.)
Only transmit
No transmission
from lower
Only received on lower
–5°
+5°
Horizontal angle fine
adjustment screw
–10°