Sokkia 130R Series Operator's Manual page 168

31. Optional Accessories
Specifications
Interface: Modulated infrared
LED
Power source:
R03/AAA x 2 (3V DC)
Operating range:
within 2 m (operating
range may vary with
different operating
conditions)
Keyboard: 37 keys
Operating temperature:
-20 to 50 °C
Dust and water resistance:
IP44 (IEC60529: 1989)
Size: 162 (W) x 63 (D) x 19
(H) mm
Weight: about 120 g (with
battery cells)
Sideplate with card slot
(SCRC3)
It has CF card slot.
"24. CARD MODE"
Diagonal eyepiece (DE25)
The diagonal eyepiece is convenient
for observations near the nadir and
in narrow spaces.
Magnification:30X
After removing the handle from the
SET, loosen the attachment screw to
remove the telescope eyepiece.
Then screw the diagonal lens into
place.
Handle removal method:
"30. STANDARD EQUIPMENT"
160