Brand: Callaway
Category: Measuring Instruments
Manual Type:
Language:
Manual for 300 PRO - Troubleshooting and error codes + PDF Download
Uploaded: April 8, 2025, 1:44 p.m.
Warranty Summary
This product is warranted to be free from defects for up to one year from the original purchase date.
- Look through the Eye Piece.
- Press and Release the Power Button to power on.
- Adjust Diopter Adjustment for clarity.
- Aim Zero-In Aiming Circle at the target and press the Power Button.
- Measurement will be displayed.
Troubleshooting and error codes
| Problem | Solution |
|---|---|
| Rangefinder is consistently inaccurate measurements. | Make sure the device is set to the desired unit of measure (Yards or Meters). Weak battery signal can affect the accuracy. Check for obstructions. |
| When looking through the Eye Piece, the view is blurry. | Use the Diopter Adjustment. Check for obstructions. Clean lens with a soft, clean cloth. |
| When should the battery be replaced? | If the Battery Indicator is flashing. If the rangefinder is consistently providing inaccurate measurements. If the LCD display is not present when PRESSING the Power Button. |
| What type of battery does the rangefinder use? | CR2 3-Volt Lithium Battery. |
Troubleshooting and error codes
| Problem | Solution |
|---|---|
| Rangefinder is consistently inaccurate measurements. | Make sure the device is set to the desired unit of measure (Yards or Meters). Weak battery signal can affect the accuracy. Check for obstructions. |
| When looking through the Eye Piece, the view is blurry. | Use the Diopter Adjustment. Check for obstructions. Clean lens with a soft, clean cloth. |
| When should the battery be replaced? | If the Battery Indicator is flashing. If the rangefinder is consistently providing inaccurate measurements. If the LCD display is not present when PRESSING the Power Button. |
| What type of battery does the rangefinder use? | CR2 3-Volt Lithium Battery. |