1. Introduction
The SRNE SR-CU-ALL5 is an infrared remote control unit designed to facilitate the configuration and monitoring of various SRNE solar street light controllers. It features an LCD display for clear information readout and a set of intuitive buttons for easy navigation and parameter adjustment. This manual provides detailed instructions for setting up, operating, and maintaining your SR-CU-ALL5 remote control.
2. Product Overview
Familiarize yourself with the components and controls of your SR-CU-ALL5 remote control.

This diagram illustrates the key areas of the remote control: the display area, setting key area, functional keys, infrared communication port, battery compartment, and wrist strap connection hole.

A clear view of the remote's front panel, showing the LCD and button layout.
2.1 Key Components:
- Display Area: LCD screen for parameter display and menu navigation.
- Setting Key Area: Includes '+', '-', and 'Set' buttons for adjusting values and confirming selections.
- Functional Keys:
- Send: Transmits configured parameters to the solar controller.
- Test: Initiates a test function on the connected controller.
- State: Displays the current operating status of the controller.
- Receive: Retrieves parameters or data from the solar controller.
- Param: Accesses the parameter setting menu.
- BackL: (Backlight) Toggles the display backlight.
- Sleep: Puts the remote control into a low-power sleep mode.
- ON/OFF: (Some models may have these instead of BackL/Sleep) Controls the load output of the solar controller.
- Infrared Communication Port: Located at the top, used for wireless communication with the solar controller.
- Battery Compartment: Located on the back for battery installation.
- Wrist Strap Connection Hole: For attaching a wrist strap (not included).
3. Setup
Before using your SR-CU-ALL5 remote control, ensure it is properly prepared.
3.1 Battery Installation
- Locate the battery compartment on the back of the remote control.
- Open the battery compartment cover.
- Insert the required batteries (typically AAA, refer to the battery compartment label for exact type and polarity).
- Close the battery compartment cover securely.
3.2 Initial Power-On
The remote control should power on automatically after battery installation. If not, press any button to activate the display.
3.3 Connecting to a Solar Controller
The SR-CU-ALL5 communicates with SRNE solar controllers via infrared (IR). Ensure a clear line of sight between the remote's IR port and the controller's IR receiver.

The remote control is compatible with various SRNE solar charge controllers, such as the SR-DM120.

Another example of compatibility, showing the remote with an SR-DM160 controller.
4. Operating Instructions
This section details how to use the SR-CU-ALL5 remote control to interact with your solar street light controller.
4.1 Basic Navigation
- Use the '+' and '-' buttons to scroll through menu options or increase/decrease parameter values.
- Press the 'Set' button to enter a menu, confirm a selection, or save a parameter change.
4.2 Reading Controller Status
- Point the remote control's IR port towards the solar controller.
- Press the 'State' button.
- The remote's LCD will display various operating parameters and status information received from the controller.
4.3 Adjusting Parameters
- Point the remote control's IR port towards the solar controller.
- Press the 'Param' button to enter the parameter setting menu.
- Use '+' and '-' to navigate through different parameters (e.g., battery type, charge mode, load control settings).
- Press 'Set' to select a parameter for editing.
- Use '+' and '-' to adjust the value of the selected parameter.
- Press 'Set' again to confirm and save the new value.
- After adjusting all desired parameters, press the 'Send' button to transmit these settings to the solar controller.
4.4 Testing and Load Control
- Test Function: Press the 'Test' button to initiate a diagnostic test or specific function on the controller (e.g., temporarily turn on the load).
- Load ON/OFF: If your remote has 'ON' and 'OFF' buttons, use them to manually control the load output of the connected solar controller.
4.5 Receiving Data
To retrieve all current settings and data from the controller to the remote, press the 'Receive' button. This can be useful for verifying settings or troubleshooting.
5. Maintenance
Proper care ensures the longevity and reliable operation of your remote control.
- Battery Replacement: Replace batteries when the display becomes dim or the remote becomes unresponsive. Always use fresh batteries of the specified type.
- Cleaning: Wipe the remote control with a soft, dry cloth. Do not use abrasive cleaners or solvents. Keep the IR port clean and free from obstructions.
- Storage: Store the remote control in a cool, dry place away from direct sunlight and extreme temperatures. If storing for extended periods, remove the batteries to prevent leakage.
- Avoid Impact: Protect the device from drops and strong impacts, which can damage internal components or the LCD screen.
6. Troubleshooting
If you encounter issues with your SR-CU-ALL5 remote control, try the following solutions:
- Remote not responding:
- Check battery levels and replace if necessary.
- Ensure batteries are inserted with correct polarity.
- Verify there are no obstructions between the remote and the controller.
- Ensure the remote is within the effective operating range of the controller's IR receiver.
- Display is blank or dim:
- Replace batteries.
- Adjust the backlight using the 'BackL' button if available.
- Controller not receiving commands:
- Ensure the remote is pointed directly at the controller's IR receiver.
- Check for any physical obstructions.
- Verify the remote's batteries are fresh.
- Ensure the controller is powered on and functioning correctly.
- Incorrect parameter values after sending:
- After sending, use the 'Receive' button to verify the parameters were updated correctly on the controller.
- Double-check the values entered before sending.
7. Specifications
| Feature | Specification |
|---|---|
| Model Number | CU-ALL5 |
| Brand Name | SRNE (Snaterm) |
| Application | Charger Controller, Street Light Charge Controller |
| Compatible Controllers | SR-DH, SR-DH-Li, SR-DM, SR-MES, SR-SES series |
| Controller Type Support | MPPT, PWM |
| Certification | CE |
| Dimensions (L x W x H) | Approx. 15 cm x 10 cm x 5 cm |
| Weight | Approx. 0.2 kg |
| Origin | Mainland China |
8. User Tips
No specific user tips were available from reviews or Q&A content. General advice includes:
- Always ensure a clear line of sight for infrared communication.
- Keep spare batteries on hand for uninterrupted use.
- Refer to your specific solar controller's manual for detailed parameter explanations.
9. Warranty and Support
For warranty information and technical support, please refer to the documentation provided with your purchase or contact the seller directly. Keep your purchase receipt as proof of purchase.