Pentax ETH-310 - Manual (Page 14)

14
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)