If you encounter an issue while using your RAK283, consult the table below.
Remain completely still and quiet.
Position the cuff so that the rubber air tube runs down the center of your inner arm, aligned with your middle finger.
Here’s what common error symbols mean and how to fix them: rak283 blood pressure monitor user manual
Stay completely still and do not talk. Rest 5 minutes and retry. Signal noise or pulse cannot be detected.
Keep your feet flat on the floor. Do not cross your legs or ankles.
Press again to move to month, day, hour, and minutes, using "M" to adjust each. If you encounter an issue while using your
To help narrow down any remaining questions, let me know if you need specific help with , matching the cuff size to your arm , or tracking irregular heartbeats .
| Blood Pressure Category | Systolic (mmHg) | Diastolic (mmHg) | | :--- | :--- | :--- | | Optimal | < 120 | and < 80 | | Normal | 120–129 | and/or 80–84 | | High Normal | 130–139 | and/or 85–89 | | Grade 1 Hypertension | 140–159 | and/or 90–99 | | Grade 2 Hypertension | 160–179 | and/or 100–109 | | Grade 3 Hypertension | ≥ 180 | and/or ≥ 110 |
Do not consume caffeine, alcohol, or tobacco products for at least 30 minutes prior to measuring. Here’s what common error symbols mean and how
4 x AAA 1.5V Alkaline Batteries or USB DC 5V Power Supply Troubleshooting and Error Codes
A soft case to protect the device during travel or storage. ⚙️ Device Overview and Setup Parts of the Monitor
: Dual mode with 99 sets of measurements for each user. Display : 80x60mm digital LCD screen. Power Source : Requires 4 x AA batteries or a DC 6V adapter.
Replace batteries and restart the unit. 9. Frequently Asked Questions (FAQ)
If you wish to look at the other user's log, first use the sequence to switch profiles, then tap MEM . Clearing the Memory Bank