Nikon DTM-502 Series Instruction Manual page 183

F1/F2 Records
F1 , pt
F1 = Face of Shot (F1 or F2)
pt = Point Number
ht = Height of Target
sd = Slope Distance
ha = Horizontal Angle
va = Vertical Angle
time = 24 Hour Time Stamp
Comment/Note Records
CO , text
7
7-7
, ht , sd , ha , va , time