CODEL
OPS. 141 13
Issue : A
Revision : 1
Date : 14/06/18
Doc i/d : 0118/6
050028
Pressing the ENTER key will do one of two things depending on the position in
the program :
• it will input the displayed parameter value, or
• it will select the displayed mode or option from within a mode or
sub mode.
! Allow time for the instrument to respond to a key instruction,
otherwise a double key entry may be recorded.
LED Indication
The two LED’s (Data Valid & Alarm) indicate correct instrument operation and a
high dust, opacity, Ringelmann level. They mirror the operation of the two
contact relays.
Alignment
The transmitter and receiver unit need to be in reasonable alignment in order for
the instrument to operate satisfactorily. Some optical redundancy has been
built in to the design, and this allows normal duct movements not to affect
instrument operation. Carry out this alignment as follows :
• Press MODE 4 times to enter the SET UP MODE menu.
• Press ENTER 4 times to enter 0000 for the security code (this will
be reset later).
• Press the DOWN ARROW to reach the CALIBRATE menu.
• Press ENTER to access Set Detectors option. The detector
levels are now displayed in the LCD. Leave the display for the
time being.
• Remove the receiver from its purge by removing the four M6
hexagon head bolts.
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