EXPLANATION OF FUNCTIONS
9
This section describes the detailed information of the functions that
appear in this instruction manual. Set each function according to the
description below.
Reception authorization LED switch
(Factory set : ON)
Transmitter LED switch
(Factory set : ON)
Shorter than the maximum
rated protection distance
Maximum rated protection distance
When switching "ON"
the Auto Gain Lock
switch, the beam was
interrupted.
Improper beam
alignment.
Remove the interruption
and retry switch "ON"
Auto Gain Lock.
Re-align the optical axis
adjustment.
“ PiPiPi.....”
“ Pi- ”
(1sec)
(20sec)
Beep
Results
Same margin of sensitivity
Checking the conditions
Cause
Remedy
Light reception authorization LED
:
:
:
1 sec
Auto Gain Lock switch
(Factory set : OFF)
Reception
authorization on
lower only
Reception authorization on
upper only
Reception authorization on both
upper/lower
No transmission
Only transmit
from lower
Only transmit from
upper
Transmit from both
upper/lower
Transmission/reception
authorization LED
(Different displays for
upper and lower)
Upper/lower changeover
switch
PASS
FAIL
Receiver
Transmitter
Provided the units are used within the maximum rated protection distance, this function is used to
automatically set the optimum margin of sensitivity for the receiver in any protection distance
This function allows the upper and lower sensors to be switched "ON" and "OFF".
This function is used to light on/off Transmitter LED
and Reception authorization LED. Also, when the LED
in the receiver lights [OFF], the attenuation correction
is conducted for the cover.
: Light on
: Flashing
: Off
: Light on
: Off
: Light on
: Off
* Only installed on the receiver
AUTO GAIN LOCK FUNCTION
9-1
* Available on transmitter and receiver
UPPER/LOWER CHANGEOVER FUNCTION
LED LIGHT TURN-OFF FUNCTION
9-2
* Available on transmitter and receiver
9-3
* The sensors switch as shown in the diagram below when the upper/lower changeover switch is pressed.
[Transmitter]
[Receiver]
<<Caution>>
Please set "OFF" during adjust optical axis.
Please set "ON" and then put cover on after complete optical axis adjustment.
OFF
ON
After 5 seconds when Auto
Gain Lock switch is "ON",
the beep sounds to show the
conditions.
Reception level
of the upper beam
is not enough
Reception level
of the lower beam
is not enough
Reception level of
upper/lower beam
is not enough
After the LED switches are turned [OFF], the LEDs light
off, but the light beam is transmitted and received on both
the upper and lower sections.
Reception authorization LED also lights off when Auto
Gain Lock switch in the receiver is set to [ON], but set
Reception authorization LED switch to [OFF] during
operation.
20
