
29
▲You should switch off the instrument before unload the
battery.
▲When loading the instrument with a
battery, first insert the battery to the battery
case. Then press the top of the battery until
you hear a „click‟.
▲Please press the button on the top of
the battery case and release it as the case is
inserted in.
Notes for charging the battery:
plug the charger into the outlet of 110V-220V AC power
supply, recharging will begin.
▲The indicator light on the charger will illuminate three
separate colors for various mode conditions:
Solid Red Light—the charger is working;
Solid Green Light—the charging has finished;
Flashing Red Light—no battery on charging, poor
connection or some problems exist.
▲It is recommended to continue charging for 1 or 2 hours
after the light turn green.
▲Once the red light flashes constantly after the charger is
plugged into the outlet of 110V- 220V AC power supply, please
remove the battery and reconnected it after 3 or 5 minutes.
▲Though the charger is designed with overcharge
protection circuit, one must unplug the charger after finished
charging.
▲Suitable temperature range for charging is between
-45
℃
and +45
℃
. Charging process may be abnormal if being
over the temperature range.
▲A battery can be recharged for 300-500 times. A monthly
recharging is required if the instrument is not used for a long
time.
4.4 Reflecting Prism
.
When measuring distance with prism mode, a reflecting
prism must be set at the target site. You can connect the prism to
the base ,then connect the base onto the tripod .you can also set
the prism onto the centering rod. There are single-prism group
and three prism group available on the market. you can select
them according to your requirements .