Taylor Hobson Surtronic Duo 112-3115 Manual Download Page 4

To return the unit to its storage configuration, reverse the above 
procedure. 

 
Inserting the batteries 
 

The Surtronic Duo uses four 3V Lithium 2450 batteries,  
one in the Control Unit and three in the Traverse Unit. 
To insert the batteries, remove the battery covers as shown.  
Insert the new batteries as shown, taking care to observe the correct 
polarity. Replace the battery covers.  
 
After replacing the batteries there will be a short delay following switch on 
before normal operation resumes.     
                           

 

 
Removing the batteries 
 

If the Surtronic Duo is not going to be used for an extended period of time, it is recommended that 
the batteries are removed from both the Control Unit and Traverse Unit.   
 
To remove the battery from the Control Unit, remove the battery cover and then press on the edge 
of the battery at a point adjacent to either of the two cut-outs in the moulding as shown.  The 
battery can then be tipped out of the Unit.  Replace the battery cover. 
 

                                      
 
 
 
 
 
 
 
 
 
 
 
 

 
To remove the batteries from the Traverse Unit, remove the battery cover and then press down on 
the edge of the battery closest to the centre-line of the Unit.  The top battery can then be slid out 
of the battery compartment.  The remaining batteries can be removed by tipping them out of the 
Unit.  Replace the battery cover. 

 
 
Battery Disposal 
 

WARNING: DO NOT ATTEMPT TO RECHARGE 
THE BATTERIES.  
USED BATTERIES MUST BE DISPOSED OF 
SAFELY IN ACCORDANCE WITH LOCAL 
REGULATIONS.  
DO NOT INCINERATE. 
 

 
 

Traverse Unit 
battery low

 

Control Unit 
battery low 

 

Battery low indication 
 

During a measurement, if the battery power in either unit is low, then a low battery indication will be 
given. The following displays are used to indicate a low battery condition and to identify the affected 
unit. 
 

      

 

 

 
 

 
Switching on 
 

The Control Unit is powered whenever the batteries are in place. The unit 
automatically enters a power saving mode after five minutes from the last 
operation. During power saving mode the display is turned off. To activate 
the unit, press any button. The display will be activated again and the 
welcome screen displayed. 
 
The Traverse Unit automatically enters a power saving mode after five 
minutes from the last operation.  In this mode a minimal current is drawn, 
sufficient only to maintain the power control circuitry.  To reactivate the 
Traverse Unit press the On button. An LED on the side of the Unit flashes to 
confirm activation.                         

 

Making a measurement 
 

There are two modes for operating the Surtronic Duo: 

Connected Mode and Remote Mode. 

 

 

 
 

 

 
 
 
 

 
Operation of the Control Unit is identical, whether the system is in Connected mode or Remote 
mode. 
On the Control Unit use the Select Parameter button to select the parameter that is required to be 
displayed upon completion of the measurement. 
Use the Select Mode button to select either metric or inch units as required.  
 

Remote Mode.
 

In remote mode the 
Control Unit is 
positioned within 1m of 
the Traverse Unit and 
data is passed between 
the two units over the 
IrDA link. 
 

Note: 

The alignment 

between the Traverse 
Unit and Control Unit 
must be maintained 
throughout the 
measurement process.  

Connected Mode.
 

In connected mode 
the Control Unit is 
connected to the 
Traverse Unit as 
shown before the 
measurement is 
made. 
 
To connect the 
Control Unit to the 
Traverse Unit, insert 
the Control Unit as 
shown and tilt until the 
latch engages.

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