Topcon AP-L1A - 9 Set Audio Mode

9. SET AUDIO MODE
9-1
9. SET AUDIO MODE
The light acceptance quantity level (SIG), the atmospheric correction value (PPM) and correction
value of prism constant (PSM) are displayed in this mode.
When reflected light from the prism is received, buzzer sounds. This function is good for easy
collimation when the target is difficult to find.
 Press [F4]()key in the angle or distance
measuring mode as in page 4.
 Pressing [F3](S/A) key, mode changes to set audio
mode. The display indicates correction value of
prism constant (PSM), atmospheric correction
(PPM) and reflection light level (SIG).
 When receiving reflected light quantity, buzzer
sounds.
 The [F2] ~ [F4] keys are used for setting atmospheric
correction and prism constant.
 To return to normal measuring mode, press
[F1](EXIT) key.
FINE TRK S/A 4
S/A
PSM: 14 SIG:60
PPM: 00
EXIT PSM PPM T-P