1. Introduction
Thank you for choosing the PHOLSY C8 Timer Remote Control Intervalometer. This device is designed to provide precise control over your camera's shutter, enabling advanced photography techniques such as time-lapse, long exposures, and self-portraits without direct camera contact. This manual will guide you through the setup, operation, and maintenance of your new remote control.

Image 1: PHOLSY C8 Timer Remote Control Intervalometer.
2. Key Features
- Versatile Timer Functions: Includes Delay/Self-Timer (DELAY), Interval Timer (INTVL), and Long Exposure (BULB) settings.
- Programmable Exposure Count: Set the number of exposures from 1 to 399, or choose unlimited exposures.
- Two-Stage Shutter Button: Allows for precise autofocus and exposure metering with a half-press, and full shutter release with a complete press.
- Shutter Lock Function: Essential for extended BULB mode photography.
- Reduced Camera Vibration: Enables shooting without touching the camera, minimizing blur.
- Backlit LCD Display: Clear visibility of settings in various lighting conditions.
- Status LED with Alarm: Provides operational feedback.
- Cable Length: Approximately 900 mm.
3. Product Components and Display
3.1. Remote Control Diagram

Image 2: Labeled diagram of the PHOLSY C8 Timer Remote Control.
The diagram above identifies the main parts of your remote control:
- Release Lamp
- Display Panel
- TIMER START/STOP Button
- SET Button
- Shutter-Release Button
- Illumination/Lock Button
- Selector Button (Up/Down/Left/Right)
- Battery-Chamber Cover
- Eyelet for Strap
3.2. Display Panel Indicators

Image 3: Detailed view of the display panel and its indicators.
The LCD display provides crucial information about the current settings and operational status:
- DELAY: Delay/Self-Timer setting.
- LONG: Long Exposure (BULB) setting.
- INTVL: Interval Timer setting.
- N: Number of shots.
- Selection Cursor: Indicates the currently adjustable parameter.
- Timer Display: Shows the set time values.
- Lock Indicator: Shows when the shutter button is locked.
- Low Battery Indicator: Alerts when batteries need replacement.
- "TIMER ACTIVE" Indicator: Illuminates when a timer sequence is running.
- "SET" Indicator: Illuminates when a parameter is being set.
- "RELEASE" Indicator: Illuminates when the shutter is being released.
- Speaker On/Off Indicator: Shows the status of the audible alarm.
4. Setup
4.1. Battery Installation
- Open the battery-chamber cover on the back of the remote control.
- Insert two AAA alkaline batteries, ensuring correct polarity (+/-).
- Close the battery-chamber cover securely.
Note: The remote control does not have a dedicated power off switch. To conserve battery life when not in use for extended periods, it is recommended to remove the batteries.
4.2. Connecting to Your Camera
- Locate the remote control terminal on your Canon EOS camera. This is typically a small port on the side or front of the camera body.
- Insert the remote control's cable connector firmly into the camera's remote terminal.
- Ensure the connection is secure.

Image 4: PHOLSY C8 Remote Control with its coiled connection cable.
5. Operating Instructions
5.1. Basic Shutter Release
The remote control can be used as a simple shutter release without setting any timer functions. This is useful for preventing camera shake during manual shots.
- Ensure the remote is connected to your camera.
- Press the shutter-release button halfway to activate autofocus and exposure metering.
- Press the shutter-release button fully to take a photo.

Image 5: Detail of the two-stage shutter button and lock.
5.2. Using Timer Functions
The PHOLSY C8 offers four main timer functions: DELAY, LONG, INTVL, and N. Use the selector buttons to navigate and the SET button to confirm.

Image 6: Overview of timer functions on the display.
- DELAY (Self-Timer): Sets a delay before the first shot is taken. Adjustable from 0s to 99h 59m 59s.
- LONG (Long Exposure/BULB): Sets the duration of the shutter opening for long exposures. Adjustable from 0s to 99h 59m 59s. When using BULB mode on your camera, slide the shutter lock button on the remote to the HOLD position.
- INTVL (Interval Timer): Sets the time interval between consecutive shots. Adjustable from 1s to 99h 59m 59s.
- N (Number of Shots): Sets the total number of photos to be taken. Adjustable from 1 to 399, or set to "--" for unlimited shots.
Setting Parameters:
- Press the SET button to enter parameter setting mode. The selection cursor will blink.
- Use the Selector Buttons (Up/Down/Left/Right) to navigate between DELAY, LONG, INTVL, and N, and to adjust the hour, minute, and second values.
- Press SET again to confirm a value and move to the next parameter.
- Once all parameters are set, press SET to exit the setting mode.
Starting and Stopping the Timer:
- After setting your desired parameters, press the TIMER START/STOP button to begin the sequence. The "TIMER ACTIVE" indicator will light up.
- To stop the timer sequence prematurely, press the TIMER START/STOP button again.

Image 7: Visual examples of different shooting modes achievable with the timer remote.
6. Maintenance
- Keep the remote control dry and clean. Avoid exposure to extreme temperatures or humidity.
- Clean the exterior with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- If not using the remote for an extended period, remove the batteries to prevent leakage.
- Handle the cable and connectors with care to prevent damage.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Remote control does not power on or display is blank. | Dead or incorrectly inserted batteries. | Replace batteries with fresh AAA batteries, ensuring correct polarity. |
| Camera does not respond to shutter release. | Loose cable connection; camera not in appropriate mode; remote not powered. | Ensure cable is securely connected. Check camera settings (e.g., remote control mode). Verify remote has power. |
| Timer sequence stops unexpectedly in cold temperatures. | Battery performance degradation in cold weather. | Keep the remote control warm, or use fresh, high-quality batteries designed for cold conditions. |
| Cannot turn off the remote control. | The device does not have a dedicated power switch. | Remove batteries to power off completely and conserve battery life. |
8. Specifications
| Feature | Detail |
|---|---|
| Brand | PHOLSY |
| Model Name | C8 |
| Model Number | LSYYXDSKMC8 |
| Special Feature | Digital Display |
| Color | Black |
| Connectivity Technology | Cable |
| Number of Buttons | 8 |
| Controller Type | Cable Control |
| Number of Batteries | 2 AAA (Alkaline recommended) |
| Item Weight | 105 Grams |
| Cable Length | 900 mm |
| Country of Origin | China |
9. Compatibility
The PHOLSY C8 Timer Remote Control is compatible with a wide range of Canon EOS cameras, including but not limited to:
- Canon EOS R1, R3, R5, R5 C, R5 Mark II
- Canon EOS 10D, 6D Mark II, 1D X Mark II, 1D X, 1DX Mark III, 1D C, 1DS Mark III, 1DS Mark II, 1Ds, 1D Mark IV, 1D Mark III, 1D Mark II N, 1D Mark II, 1D
- Canon EOS 5D Mark II, 5D Mark III, 5D Mark IV, 5DS, 5DS R, 5D
- Canon EOS 6D, 7D, 7D Mark II
- Canon EOS 50D, 40D, 30D, 20D, D2000, D60, D30
- Canon EOS-1V, EOS-3
This remote control serves as a replacement for the Canon TC-80N3.
10. Warranty and Support
PHOLSY products are designed for reliability and performance. For warranty information and customer support, please refer to the documentation included with your purchase or visit the official PHOLSY website. EU spare parts availability is guaranteed for 2 years.