User's Manual

6. Operation
6-1 Precaution
Handle the torque wrench with care.
Read the Operation Manual before operation.
In case that the an adjustable screw of Preset/Pre-lock type wrench is changed, the
switching mechanism may not work well. Please contact a Tohnichi authorized distributor or
Tohnichi office for replacing a Stud of the torque wrench.
6-2 Replacing RF Transceiver
Loosen two screws of the transceiver and remove it.
Install the transceiver, and tighten the screws. (Tightening torque T=270cNm)
Note: Stud, which comes from wrench, should not be between place spring and the Battery
case when installing the Transceiver.
6-3 Setting the Time to Avoid Double Counting
The Timer is set to 1 second when delivered.
To change the time setting, return the variable resistance (VR2) on the Receiver board.
(Refer to “5. Appearance and components”.)
The time can be set between 0.2 sec and 2.2 sec.
6-4 Battery Check
Push the Transmitter-Receiver Check Switch.
If the Operation Check LED is Green, the battery should be serviceable. If it is red,
replace the battery. Refer to “6-5 Replacing Battery for Transmitter”.
6-5 Replacing Battery for RF Transceiver
Loosen two screws of the battery cover and remove it.
Remove the empty Battery, and insert a new one.
Always use an AAA Alkaline Battery.
Install the battery cover, and tighten the screws by a torque driver. (Tightening torque
T=63cNm)