User guide

3 Before Going to the Field

28 Trimble M3 Total Station User Guide

3.1 Unpacking and packing the instrument

Note – Handle the Trimble M3 total station carefully to protect it from shocks and

excessive vibration.

31.1 Unpacking the instrument

To unpack the instrument, grip the carrying handle and

carefully remove the instrument from the carrying case.

31.2 Packing the instrument

Note – Store the instrument with the battery pack

attached.

To pack the instrument back into the carrying case:

1. Set the telescope in the horizontal face-1

position.

2. Align the ∇ storage mark on the bottom of the

face-1 keyboard with the ∇ mark on the tribrach

clamp knob.

3. Lightly fasten the clamp knobs.

4. Place the instrument in the carrying case.

Note – When packing the charger (Q-75U/E) in the

plastic carrying case, make sure that you store it as

shown on the sticker inside the case. Make sure that the

battery charger cable is not pinched when you close the

case cover.

3.1 Charging and discharging the battery pack

31.1 Safety notices

Before charging the battery pack, read the following warnings, cautions and notes.

WARNING – Use only the specified battery charger (part number Q-75U/E) to charge the

battery pack (part number BC-65). Using other chargers, such as a charger with part

number Q-7U/E or Q7C, may cause the battery pack to catch fire or rupture.

WARNING – Do not cover the battery charger while the battery pack is being recharged.

The charger must be able to dissipate heat adequately. Coverings such as blankets or

clothing can cause the charger to overheat.