OLCT 700/710 TP
OLCT 700/710 TP Instruction Manual Rev. C.1 Page 21 of 45
Raw Sensor Resistance
The menu item appears as: “Resistance XXXXX”
mA Output
The menu item appears as: “mA Output XX.XX mA”
Input Voltage Supply
The menu item appears as: “Voltage XX.X VDC”
Operating Temperature
The menu item appears as: “Temp XX C”
When the status list sequence is complete, the OLCT 700/710 will revert to the “View Sensor Status” text
scroll. The user can either: 1) review list again by executing another 3-4 second hold, 2) move to another
menu item by executing a momentary hold over PGM1 or PGM2, or 3) return to Normal Operation via
automatic timeout of about 15 seconds (the display will scroll “View Sensor Status” 4 times and then
return to Normal Operation).
3.5.3 Set AutoSpan Level
Set AutoSpan Level is used to set the span gas concentration level that is being used to calibrate the
detector. This level is adjustable from 10% to 50% of selected full-scale range. The current setting can be
viewed in View Program Status.
From the Set AutoSpan Level text scroll, hold the magnet over PGM1 or PGM2 until the “◄” prompt
appears and continue to hold the magnet in place for an additional 3-4 seconds (until the display starts to
scroll “Set Level”). The display will switch to “XX“ (where XX is the current gas level). Swipe the magnet
momentarily over PGM2 to increase or PGM1 to decrease the AutoSpan Level until the correct level is
displayed. When the correct level is achieved, hold the magnet over PGM1 or PGM2 for 3-4 seconds to
accept the new value. The display will scroll “Level Saved”, and revert to “Set AutoSpan Level” text
scroll.
Move to another menu item by executing a momentary hold, or return to Normal Operation via automatic
timeout of about 15 seconds (the display will scroll “Set AutoSpan Level” 4 times and then return to
Normal Operation).
3.5.4 Set Range
Set Range is used to change full-scale ranges. This is selectable between 0-20, 0-50, 0-100ppm, and 0-
200ppm. The current range can be viewed in View Sensor Status using instruction given in Section 3.5.2
View Sensor Status.
From the “Set Range” text scroll, hold the programming magnet over PGM1 or PGM2 until the “◄”
prompt appears and continue to hold the magnet in place for an additional 3-4 seconds (until the display
starts to scroll “Set Range”). The display will then switch to “XXX“ (where XXX is the current Range).
Swipe the magnet momentarily over PGM2 to increase or PGM1 to decrease the range Level until the
desired range is displayed. Hold the magnet over PGM1 or PGM2 for 3 seconds to accept the new value.
The display will scroll “Range Saved”, and revert to “Set Range” text scroll.
Move to another menu item by executing a momentary hold, or, return to Normal Operation via automatic
timeout of about 15 seconds (the display will scroll “Set Range” 7 times and then return to Normal
Operation).
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