27
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, and 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, so you can
select them according to your requirements.
4.5 Loading and unloading of the pedestal
Unloading
Unload the base by loosening the locking screw on the base
with a screw driver and anti-clockwise turn the screw around
180°.
Loading
Put the three fixed feet of the instrument into the
corresponding holes to make the instrument on the base. Turn
the clamping screw clockwise 180° to lock the instrument. Then
tighten the screw with a screw driver.
4.6 Adjusting eyepiece lens of the telescope and
aiming the target.
How to aim at targets?(only for reference)
1)
Aim at the bright sky with the telescope and adjust the
eyepiece to focus until a sharp image of the cross wire
forms;