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Quick Start
1.
Your recorder has been preset to operate using the most popular settings.
Recording Time: 7 day
Range: TH621/22: +32 to +100°F; TH623/25: 0 to +100°F
To change the range and recording time, please
2.
Remove the protective pen caps.
3.
Insert a 9V battery and plug in AC adapter. Unit will power on. (see figure 3)
4.
The instrument will move pens to the appropriate readings.
5.
Install the chart that matches the Dip Switch settings you have selected.
a.
Press the PEN HOME key to move the pens to the outside of the chart. The pen are
automatically raised off the chart.
b.
Remove the old chart, place the new 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.
6.
Set the appropriate time. There are two ways to adjust the chart and set the appropriate time:
a.
Set the chart time manually 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
arrow (just to the right of the pen tip on the dial).
b.
(This feature should be used for fine adjustments only) To adjust the chart time, press and hold
ADJUST-UP and ADJUST-DOWN buttons located on the back of the unit next to the dip switch
(see figure 3). The green LED will blink rapidly for about five seconds, then the LED will remain
solid green. While in this state ADJUST-UP button will move the chart backward (counter
clockwise) and ADJUST-DOWN button will move the chart forward (clockwise). Rotate the chart
until the correct hour (and day if applicable) on the chart is referenced to the timing arrow. Once
you have set your chart, press the PEN HOME button to exit Chart Adjust Mode. The unit will
take one minute to exit Chart Adjust Mode once PEN HOME is pressed.
7.
Press PEN HOME to move the pens back onto the chart.
8.
Place the TH6 recorder on a flat vibration-free surface. Be sure it is in a vertical position and level.
For best performance and longevity, the location should be a clean environment, free from dust and
corrosive fumes. Do not exceed temperature specifications.
Wall Mount: Keyhole slots are provided on the TH6 recorder for wall mounting.
Display Symbols (TH622/623/25)
Button Operations
0N/OFF
The On/Off key turns the unit on and off.
PEN HOME
If the pen is located on the outside edge of the chart, press the PEN HOME to move pen to recording
position. If the pen is located on the chart, press the PEN HOME key to move the pen to the outside edge of
the chart.
Rev. 10/07
reference Dip Switch Set-Up in this manual.
F C
MAX
MIN
Figure 1
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