Astra OTX2400A Quick Start Manual - Page 4

Browse online or download pdf Quick Start Manual for Measuring Instruments Astra OTX2400A. Astra OTX2400A 14 pages.

Print Page

1. Connect the Battery: Open the

Battery Cover and remove the plastic

insert from the top of the battery.

2. Turn on unit and Adjust Eyepiece

Diopter Focus: Press the Power (Range)

Button to turn on the rangeﬁnder Red

Reﬂective OLED display.

Turn the Eyepiece Diopter Focus until

both the image in the ﬁeld of view and

Aiming Reticle are clear and focused.

Press the

Power Button

Rotate Eyepiece

Quick Start

3. Adjusting the Red OLED Display

Brightness: Hold the Mode Button to

enter the menu setting, Press the

Power Button to cycle between 5

different brightness levels. Press the

Mode Button to select.

Brightness Setting

◆ 1 = Lowest brightness setting

◆ 5 = Highest brightness setting

NOTE: For some Astra Optix models,

the display brightness setting is the

last item in the menu. If the

brightness setting is not the ﬁrst

item in the menu, then press the

Mode Button to advance through all

the menu items until you see the

brightness setting.