Multi-Pointer
Service Manual
Page 23 of 26
State 9
State 10
Fig. 34
5. When the left and right laser point error is as shown in the Fig. 34, you need to
adjust the power adjusting screw to calibrate (see Fig. 33). When the instrument is
in the state 9, you can loose the screw6 and screw down 5. When the instrument is
in the state 10, you can loose the screw 5 and screw down 6.
6. After above adjusting, making the down laser be on one line with the down point
near the light, the front laser spot on the vertical line with B, and then observe the
other point accuracy. If there still is error, adjust following the above way till the
instrument is freedom from the error.
8 Alarm adjustment
After the instrument is accuracy-adjusted, if the left-right and front-back alarm range are
large, it need adjusting. The way is: Put the instrument on the stand, turn on the switch,
but not connect with power, repeat shutting together the contact ring using an electric iron
to make the pole in the center. (see Fig. 35)
Fig. 35