Topcon RL-H3A, Инструкция по эксплуатации

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14
4
Move the laser sensor up or down until the LCD
Å@
and audible indicators identifies the center of the
laser beam has beam located..
5
Mark the position of index. The center-of-beam
index is 40 mm (1 9/16 inch) from the top of the
sensor if you wish to mark the top of the sensor
and use an offset.
Higher than datum position
(Buzzer sound:High frequent beep sound)
Move the sensor downward.
Datum position
(Buzzer sound:Continuous beep sound)
Lower than datum position
(Buzzer sound:Low frequent beep sound)
Move the sensor upward.
Normal
precision
mode
High
precision
mode
(1 9/16 inch)