Rev. 06/03
G
et
tin
g
St
ar
te
d
/
In
st
all
at
io
n
Tr
Getting Started
Your THDx recorder has been preset to operate using
the post popular settings.
Recording Time:
7 day
°F/C:
°F
Temperature Range: -20 to +120°F
Variables Recorded: °F and %RH
Pens and a chart have already been installed for your
convenience. All you need to do to start using your
THDx recorder with the settings listed above is fol-
low these quick start instructions:
1. Plug in the AC adapter
2. Set the appropriate time by inserting a coin
Chart Installation
1. Press the “Pen Home” key to make pens move to
the outside of the chart.
2. Press the pen lifting bar to raise the pens.
Remove the recorded chart if present.
3. Place the new appropriate chart on the chart hub,
being certain that the edge of the chart slides
under the chart guide clips located at the outside
of the chart. NOTE: The chart should lay flat on
the dial face.
into the groove in the chart hub and turning
clockwise until the correct hour and day on
the chart is referenced to the timing clip (see
“Instrument Anatomy” if you need assistance
locating instrument parts).
3. Remove the protective pen caps
4. Press the “On/Off” key and the pens will move to
the current reading.
After you get started using the “Quick Start
Instructions,” we recommend that you also read the
rest of the manual to ensure that you get the most
our of your instrument.
Requires 4 “D” size batteries for battery back-up.
4. Set time by inserting a coin into the groove in the
chart hub and turning clockwise until the correct
hour (and day if applicable) on the chart is
referenced to the timing clip.
5. Lower the pen lifting bar so that the pen tips rest
firmly on the paper.
6. Press the pen home key to return the pens to
position. At the end of tone recording time cycle,
simply repeat steps 1-5, replacing the used chart
with a new one.
Pen Installation
1. Press the “Pen Home” key to return pen to the home position.
2. Use the “Pen Arm” lifter to raise the pens.
3. Simply slide used pen cartridge off and slide new one on. Lower pen arm lifter.
4. Press the “Pen Home” key to return pen to chart position.
