ASTRA PRO B-1 Golf Laser Rangefinder User Guide
- June 2, 2024
- ASTRA
Table of Contents
PRO B-1 Golf Laser Rangefinder
Quick Start Guide
Specifications & Features
Magnification | 6 Power |
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Objective Lens Diameter | 21 mm |
Close Focus | 6 yards |
Eye Relief | 15 mm |
Exit Pupil | 3.5 mm |
Field of View | 31.50 ft. at 100 yds. |
Water-Resistance Rating | I PX4 (Water-Resistant) |
Lens Coating | Multi-Coated |
Housing Material | Composite with Rubber Armoring |
Dimensions | 4″x 1 .44 x 3 .11″ |
Total Wt. (including battery) | 4.25 oz. |
Laser Type | 905 nm Class 1 Eye-Safe |
Display Type | High Transmission LCD |
Range Response Time | 0.1 seconds |
Battery Type | CR-2 3-volt Lithium |
Battery Life | Approximately 10,000 Readings |
Laser Range (Reflective) | 6-1,7 60 yds. |
Laser Range (Tree) | 6-1,000 yds. |
Laser Range (Flag) | 6-450 yds. |
Laser Range (Pin Lock Feature) | 6-250 yds. |
Range Accuracy (Distance & Angle) | + /- 1 Yard & + /- 1 ° |
Slope Feature | Yes |
Pin Lock with Vibration Pulse | Yes |
Operational Temperature Range | 14°F to 120°F |
What’s in the Box?
- 6×21 mm Laser Rangefinder
- Soft Premium Carry Case
- Microfiber Lens Cleaning Cloth
- CR-2 3-volt Lithium Battery
- Adjustable Neck-Style Lanyard
- Astra Opt ix TM Decal Sticker
- Astra Optix TM Warranty Card
- Quick Start Guide
Your Rangefinder at a Glance
High Transmission LCD
Quick Start
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Remove plastic insert to connect battery: Open the battery cover and remove the plastic insert from the top of the battery.
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Turn on unit and Adjust the Eyepiece Diopter Focus: Press the Power (Range) Button to turn on the rangefinder High Transmission LCD display.
Turn the Eyepiece Diopter Focus until both the image in the field of view and Aiming Reticle are clear and focused. -
Measuring Distance: Aim the Aiming Reticle on the object you want to range and press the Power Button to display the distance. Your unit factory default setting is in the Slope-off Mode.
In the Slope-Off Mode: The line of sight (LOS) value is displayed at the top of the display.
In the Slope-On Mode: The “play at” distance will be displayed at the bottom of your display.
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Change between Slope-On and Slope-Off mode: Simply press the Mode Button one time.
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Use Pin Lock with Vibration Pulse: Our Pin Lock feature provides visual and vibration feedback so you can be confident in the distance to the flagstick.
Simply hold down the Power (Range) Button when aiming at the flagstick.
This may take a few seconds. The rangefinder will vibrate and display a flagstick icon in the display indicating you have ranged the flag.
If there are no other objects around the flagstick, your rangefinder may give you the distance without showing that you are locked onto the flagstick. -
Turn off the rangefinder: The unit will turn off automatically if no operation for 10 seconds and will keep the last setting used.
Tips for Using Your Rangefinder
- Your laser rangefinder comes defaulted to the Slope-Off Mode. In this mode, it will display the Line of Sight (LOS) Value at the top of the display.
- This rangefinder also features Slope Mode. In Slope Mode your rangefinder will provide you the adjusted play distance based on the angle of decline or incline to the flag. To learn more about Slope Mode, please visit our website.
- To make it easier to range the flagstick, hold the Power (Range) Button down to enter the Pin Lock with Vibration Pulse Mode. The rangefinder will vibrate and display a flagstick icon confirming you have ranged the flag. You may need to hold the Power (Range) Button down for a few seconds until the rangefinder locates the flagstick.
- Under ideal conditions, your Astra Optix™ Pro B-1 Laser Rangefinder can measure the distance of reflective objects out to 1,760 yds. It can also measure a tree out to 1,000 yds. and the flag out to 450 yards. The Pin Lock with Vibration Pulse Mode works up to a distance of 250 yards. The type of target you are ranging strongly impacts the maximum ranging distance.
- Shiny reflective objects such as metal buildings will range much better than less-reflective objects such as trees, animal fur, bushes or grass.
- Objects that are more dense, such as trees or rock, will range better than bushes or grass.
- Bright-colored objects normally range better than dark-colored objects.
- Rain, fog, snow, bright sunny days and dusty days will reduce the overall ranging performance.
- Cloudy days without fog, snow, rain or dust blowing in the air provide the best ranging conditions.
- Targets that have a flat surface 90° to the laser emitting from the laser rangefinder range better than targets that have a curved surface, or are positioned at an angle in relation to the emitted laser.
- If “Low Battery” flashes, we recommend that you change the battery as soon as possible.
- If at any time, your rangefinder freezes or is not responsive after turning it on, reset the rangefinder by removing the battery. Wait 10 seconds and then replace the battery. This will usually fix the issue.
Register your Product
Please register your product to activate our Handshake Warranty on line at www.astraoptix.com so it is covered in case anything happens to your product.
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Scan our warranty QR code to go directly to our Handshake Warranty registration page.
https://www.astraoptix.com/handshakewarranty
Warning
- Do not look directly at the sun with your rangefinder, as it could cause serious damage to your eyes.
- Do not aim the rangefinder at a person’s eyes and do not look into the objective-lens side of the product when you are pressing the power button.
- Keep out of reach of small children.
- Only use a CR2 3-volt battery and do not use any outside power source.
- Do not attempt to open or take apart your laser rangefinder, as this will void your lifetime warranty, may damage your product and could cause electric shock.
- Class 1 Laser Product. Product complies with IEC60825-1: Ed. 3: 2014-05 and 21CFR1040. 10/11.
We are here to help!
Don’t hesitate to reach out to us if you have any questions or concerns about
your product. On behalf of the Astra Optix family, we want to thank you for
your purchase and support.
www.astraoptix.com
contact@astraoptix.com
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