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12. SELECTING MODE
The following modes are available.
Selecting mode 1
To set the instrument to selecting mode 1, turn the power ON while pressing {R/L}.
12.1 Selecting Mode Options
Selecting mode 1
Digit
No.
Items Contents Setting value = 0
Setting
value = 1
1
Minimum angle
unit
Select the minimum angle unit.
5"
(DT-302)
5"
(DT-305/305L)
10"
(DT-307/307L)
20"
(DT-309F/309G/
309LG)
1"
1"
5"
10"
2 V angle Z0/H0
Select the vertical angle reading from
zenith or from horizontal.
Horizontal 0 Zenith 0
3
Power-saving
automatic cut-off
ON/OFF
Set whether or not to power off
when no key operation performed
for 10 or 30 minutes.
ON OFF
4
Auto cut off time
10 min./30 min.
Set the interval time of power off
automatically.
10 min. 30 min.
5
Angle unit
DEG/GON
Select degree (DEG) or gon (GON). DEG GON
6
90° buzzer ON/
OFF
Specify whether the buzzer sounds or
not for every horizontal 90°.
ON OFF
7 Angle unit MIL Select angle unit MIL. DEG /GON MIL
0 0 0 0 0 0 0
Digit No.1Digit No.7
Selecting mode 1
{R/L} + Power on