Pentax R-315(N) - Manual (Page 39)

5-2 Resetting the Horizontal Angle to 0
Pressing [F3] [0 SET] twice in succession
resets the horizontal angle to 0° 0' 0".
● The [F3] [0 SET] cannot reset the vertical angle to 0.
● Pressing the [F3] [0 SET] accidentally during measurement does not reset the
horizontal angle to 0 unless you press it again. Once the buzzer stops
sounding, you can go to the next step.
● You can reset the horizontal angle to 0 any time except when it has been
held.
5-3 Holding the Horizontal Angle
To hold the horizontal angle currently being
displayed, press [F3] [HOLD] twice in
succession.
The horizontal angle value is displayed in
reverse video when being held.
● lf you want to hold the horizontal angle when you are in mode A, press [F5]
[MODE] first to switch to mode B, then press [F3] [HOLD].
● The [F3] [HOLD] cannot hold the vertical angle or distance.
● To release the horizontal angle from being held, press [F3] [HOLD] once.
● Pressing [F3] [HOLD] accidentally during measurement does not hold the
horizontal angle unless you press it again. Once the buzzer stops sounding
you can go to the next step.
37
5 ANGLE MEASUREMENT
MODE A 15 ° C S0
H
. angle
0 0 " 0 0 ' 0
°
H
. dst.
V
. dst.
MEAS TARGET 0 SET DISP MODE
S. FUNC ANG SET HOLD CORR MODE
MODE B 15 ° C S0
H
. angle
2 0 " 4 5 ' 1 3 0
°
H
. dst.
V
. dst.
PENTAX R-300 (p20-52) 10/30/02 11:08 AM Page 37