2. Key Operations and Display
2.1 Display
Vertical angle
V=Zenith 0°, V%=Slope(VH=Horizontal 0°, Vc=Compass)
Horizontal angle Battery indicator:
(HR=right rotation horizontal angle, HL=left rotation horizontal angle)
2.2 Keyboard
[V/%] key (Switches the display of vertical angle)
[R/L] key (Set the horizontal angle right and left rotation alternately)
[HOLD] key (Pressing twice holds the horizontal angle shown on the display)
[0SET] key (Pressing twice resets the horizontal angle to 0°,00’,00”)
[ 
] Illumination key (Illuminate LCD panel and the telescope reticle) [ON/OFF] key (Turns the power on and off alternately)
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