JJC JM-C(II)
JJC Radio Wireless Remote Control Shutter Release User Manual
Model: JM-C(II)
1. Introduction
The JJC JM-C(II) Radio Wireless Remote Control Shutter Release is designed to trigger your camera's shutter wirelessly, offering enhanced flexibility and convenience for various photography scenarios. Operating on a 433MHz frequency, it provides a reliable connection without requiring a direct line of sight, unlike infrared remotes. This system includes both a transmitter and a receiver, allowing for wireless operation up to 30 meters (100 feet).
It supports multiple shooting modes, including single shot, continuous shots, bulb mode, and delayed shots, making it a versatile tool for photographers. The remote can also be used as a wired release for direct control.
2. Package Contents
Please verify that all items are present in your package:
- JJC JM-C(II) Transmitter
- JJC JM-C(II) Receiver
- Camera Connecting Cable
- CR-2 Battery (for Receiver)
- 23A Battery (for Transmitter)
- Instruction Manual (this document)

The image above shows the main components: the compact transmitter on the right and the receiver on the left, designed for easy handling and integration with your camera setup.
3. Parts Identification
Familiarize yourself with the components of your remote control system:

This diagram highlights key features of the transmitter, including the LED indicator, frequency settings, shutter button, battery cover, and function selector for different shooting modes (3 Continuous Shot, 5 Seconds Delay Shot, Single Shot).

Both the transmitter and receiver feature DIP switches for setting the communication channel, ensuring interference-free operation. The receiver also has a hot shoe mount for convenient attachment to your camera.
4. Setup Guide
- Install Batteries:
Insert the CR-2 battery into the receiver and the 23A battery into the transmitter. Ensure to remove any plastic protective paper from the batteries before installation.
- Set Channels:
Set both the receiver and transmitter to the same channel using the DIP switches. Channels are typically matched from the factory, but if you reset them, confirm they are identical for proper communication.

Figure 4.1: Setting Channels for Wireless Communication. The system operates on a 433 MHz radio frequency, offering 16 distinct channels to minimize interference. This allows for a wireless range of up to 30 meters (100 feet).
- Verify Connection:
Once batteries are installed and channels are matched, press the shutter button on the transmitter. Both the LED bulb on the transmitter and receiver should illuminate, indicating a successful connection.
- Connect to Camera:
Connect the receiver to your camera using the provided camera connecting cable. Ensure the 90-degree connector plugs securely into the camera's remote shutter socket.

Figure 4.2: Wired and Wireless Connection Options. The remote can be used wirelessly or as a wired remote by directly connecting the transmitter to the camera via the cable.
5. Operating Modes
The JJC JM-C(II) supports various shooting modes to suit your photographic needs:
- Single Shot: Captures one photo per press of the shutter button.
- Unlimited Continuous Shots: Takes multiple photos as long as the shutter button is held down.
- Bulb Shot: Allows for extended exposure times, keeping the shutter open for as long as the button is pressed (or for a set duration in some camera models).
- 3 Continuous Shots: Captures a burst of three photos with a single press.
- 5 Seconds Delay Shot: Provides a 5-second delay before the shutter is released, useful for self-portraits or group photos.
Note: This remote does not work when the camera is in movie mode and cannot control video start or stop.

The image demonstrates the versatility of the remote, from capturing precise single shots with autofocus to dynamic continuous sequences and timed exposures.
6. Compatibility
The JJC JM-C(II) Wireless Remote Control is compatible with a wide range of Canon EOS cameras that feature a sub-mini connection port. This includes, but is not limited to, the following models:
- Canon EOS Rebel Series: T7 (2000D), T6 (1300D), T5 (1200D), T3 (1100D), T3i (600D), T4i (650D), T5i (700D), T6i (750D), T6s (760D), T7i (800D), T8i (850D), SL1 (100D), SL2 (200D), SL3 (250D), XS (1000D)
- Canon EOS DSLR Series: 60D, 60Da, 70D, 77D, 80D, 90D
- Canon EOS Mirrorless Series: RP, R, R6, R6 Mark II, R7, R8, R10, R50V, R100, M6, M6 Mark II, M5
Please refer to your camera's manual to confirm the presence of a compatible remote shutter release port.
7. Maintenance
To ensure the longevity and optimal performance of your JJC JM-C(II) Wireless Remote Control, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to clean the exterior of the transmitter and receiver. Do not use liquid cleaners or solvents.
- Storage: Store the remote in a cool, dry place away from direct sunlight and extreme temperatures. If storing for an extended period, remove the batteries to prevent leakage.
- Battery Replacement: Replace batteries promptly when the LED indicator on the transmitter or receiver fails to light up, or if performance degrades.
- Handle with Care: Avoid dropping the remote or subjecting it to strong impacts, which can damage internal components.
8. Troubleshooting
If you encounter issues with your JJC JM-C(II) Wireless Remote Control, please refer to the following common solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Remote does not trigger camera. |
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| LED indicators do not light up. |
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| Interference or inconsistent triggering. |
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9. Specifications
| Feature | Detail |
|---|---|
| Model Number | JM-C(II) |
| Brand | JJC |
| Wireless Frequency | 433 MHz |
| Channels | 16 selectable channels |
| Wireless Range | Up to 30 meters (100 feet) |
| Transmitter Battery | 1 x 23A 12V battery |
| Receiver Battery | 1 x CR-2 3V battery |
| Dimensions (Transmitter) | Approx. 5.31 x 2.99 x 1.34 inches (Package Dimensions) |
| Item Weight | 3.52 ounces |
| Operating Modes | Single Shot, Unlimited Continuous, Bulb, 3 Continuous, 5s Delay |
10. Warranty and Support
JJC products are manufactured to high quality standards. For information regarding warranty coverage, technical support, or service inquiries, please contact your local distributor or visit the official JJC website. Keep your purchase receipt as proof of purchase for warranty claims.
For further assistance, you may also refer to the JJC Store on Amazon.
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