Setting Head Length
Note: If wrench has an interchangeable head or an adapter or extension is added, length of head, adapter and/or
extension being used can be entered to correct for a different length than head used to calibrate wrench,
without requiring re-calibration.
1.
To enter a head length, from target torque or angle screen, press and hold ENTER button for 3 seconds.
2.
With
SET HEAD LENGTH
menu selection highlighted, momentarily press ENTER button.
3.
Set Head Length screen is displayed next. Default head length is length of head at calibration (zero for fixed
head wrench) and is displayed with most-significant digit highlighted. Use UP/DOWN buttons to
increment/decrement head length. Pressing and holding UP/DOWN buttons will progressively
increment/decrement value faster.
4.
Press ENTER button to accept digit and highlight next-significant digit.
5.
Default units of length is in inches. Press UNITS button to change to millimeters.
6.
Pressing ENTER button after least-significant digit is set returns to main menu. If length is changed from
default, "OFFSET IN USE" message will be displayed on target screen.
Note: If UP/DOWN buttons are pressed simultaneously while on Set Head Length screen, displayed head length
resets to zero or calibration head length for interchangeable head wrenches.
Note: For a fixed length head, head length entered is offset length measured from center of drive to center of
fastener.
Note: For an interchangeable head, head length is measured from locking pin to center of drive. SET HEAD
LENGTH is set during calibration. If a different length head is used, enter new head length and offset is
calculated automatically.
Note: For an interchangeable head with an adapter, head length entered is sum of head length and offset length.
Use of Negative Offsets
Note: Enter a negative value for offset when used in reverse direction with flex head or when calculating sum of
interchangeable head and offset lengths.
𝑜𝑓𝑓𝑠𝑒𝑡
ℎ𝑒𝑎𝑑
𝑜𝑓𝑓𝑠𝑒𝑡
ℎ𝑒𝑎𝑑
𝑜𝑓𝑓𝑠𝑒𝑡
ℎ𝑒𝑎𝑑
00
100.0
FT-LB
EXIT
LANGUAGE
SET HEAD LENGTH
SHOW DATA
UP/DOWN buttons
00
OFFSET IN USE
100.0
FT-LB
ENTER button (while least-significant digit highlighted)
EXIT
LANGUAGE
SET HEAD LENGTH
SHOW DATA
SET HEAD LENGTH
3
.000
IN
M
ENTER
button
held
Target Screen
ENTER
button
UP/DOWN/ENTER
buttons
UNITS
button
SET HEAD LENGTH
0
76.2
MM
UP/DOWN/ENTER
buttons
Summary of Contents for ControlTech CTLNK1R240
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