1. Introduction
The Geemarc CL8600 is a 4G mobile phone specifically designed for ease of use, particularly for seniors and individuals with hearing or visual impairments. It features amplified sound, large backlit buttons, and essential safety functions like SOS and ICE (In Case of Emergency). This manual provides comprehensive instructions for setting up, operating, and maintaining your CL8600 phone.
2. Product Overview
2.1 Package Contents
- Geemarc CL8600 Mobile Phone
- Charging Cradle
- USB Type-C Cable
- Battery (Lithium-ion)
2.2 Phone Components

Figure 1: Front View. This image displays the front of the Geemarc CL8600 phone, highlighting its large display screen, clearly labeled keypad with large buttons, including dedicated M1 and M2 memory keys, call and end buttons, and a central navigation cluster with an OK button.

Figure 2: Back View. The back of the phone is shown, featuring the camera lens at the top and a large, red SOS emergency button prominently located below it for quick access in critical situations.

Figure 3: Side View. This image illustrates the side of the Geemarc CL8600, clearly showing the volume up (+) and volume down (-) buttons, which allow for easy adjustment of call and ringtone volume.
3. Setup
3.1 SIM Card Installation
- Power off the phone and remove the back cover.
- Locate the SIM card slot. The CL8600 uses a Nano SIM card.
- Insert the Nano SIM card into the designated slot, ensuring correct orientation.
- Replace the back cover.
3.2 Battery Installation
- With the back cover removed, align the battery contacts with the phone's terminals.
- Gently press the battery into place.
- Replace the back cover.
3.3 Charging the Battery

Figure 4: Phone in Charging Cradle. The image shows the Geemarc CL8600 phone resting securely in its charging cradle, illustrating the convenient charging method.
The CL8600 can be charged using the included charging cradle or directly via the USB Type-C cable.
- Using the Charging Cradle: Place the phone into the cradle, ensuring it is properly seated. The charging indicator on the phone will illuminate.
- Using the USB Cable: Connect the USB Type-C cable to the phone's charging port and plug the other end into a compatible USB power adapter or computer.
A full charge typically takes between 3 to 4 hours.
4. Operating Instructions
4.1 Powering On/Off
- To Power On: Press and hold the red End Call button (power button) until the screen illuminates.
- To Power Off: Press and hold the red End Call button until the power-off options appear on the screen, then select 'Power off'.
4.2 Making and Receiving Calls
- Making a Call: Dial the number using the keypad and press the green Call button.
- Receiving a Call: When the phone rings, press the green Call button to answer.
- Ending a Call: Press the red End Call button.
4.3 Sending and Receiving Messages
Navigate to the 'Messages' menu using the navigation keys. You can compose new messages or read incoming ones from this menu.
4.4 SOS Function
The red SOS button on the back of the phone is for emergencies.
- Setup: Access the SOS settings in the phone's menu to pre-register up to five emergency contact numbers. You can also enable sending an SMS with your GPS coordinates and a personalized message to these contacts.
- Activation: In an emergency, press and hold the red SOS button. The phone will automatically call the pre-registered numbers one by one until someone answers. An SMS with your GPS location will also be sent if configured.
4.5 ICE Function (In Case of Emergency)
The ICE function allows first responders to access vital medical information.
- Setup: In the phone's menu, configure your ICE information, including name, address, current medication, medical conditions, and primary doctor's contact details.
- Access: Press and hold the '#2' key on the numeric keypad to activate the ICE menu, displaying your pre-saved medical information.
4.6 Memory Keys (M1, M2)
The M1 and M2 keys allow for quick dialing of frequently contacted numbers.
- Setup: Assign a contact number to M1 and M2 through the phone's settings.
- Use: Press the M1 or M2 button to instantly dial the assigned contact.
4.7 Volume Adjustment
The CL8600 features amplified sound for both ringtone and reception volume.
- Ringtone Volume: Adjust via the phone's settings menu. The ringtone can reach up to 80dB.
- Reception Volume: During a call, use the '+' and '-' buttons on the side of the phone to adjust the earpiece volume up to 40dB.
4.8 Hearing Aid Compatibility
The CL8600 is compatible with hearing aids equipped with a 'T' position. Activate the 'T' position on your hearing aid for optimal sound quality during calls.
4.9 Speaking Keypad
The phone's keypad features large, backlit buttons with clear alphanumeric characters. The speaking keypad function announces the numbers as they are pressed, aiding users with visual impairments.
5. Maintenance
5.1 Cleaning
Wipe the phone and charging cradle with a soft, dry cloth. Avoid using liquid cleaners or abrasive materials.
5.2 Battery Care
- Avoid exposing the battery to extreme temperatures.
- Do not leave the phone uncharged for extended periods.
- Use only the original Geemarc battery and charging accessories.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Phone does not power on | Low battery; Battery not installed correctly | Charge the battery; Reinstall the battery |
| Cannot make/receive calls | No SIM card; SIM card not activated; Out of network coverage | Install SIM card; Contact your service provider; Move to an area with better reception |
| Low call volume | Volume set too low | Increase volume using the side '+' button during a call |
| SOS function not working | Emergency numbers not set up | Configure emergency contacts in SOS settings |
7. Specifications
- Model Name: CL8600
- Cellular Technology: 4G
- Wireless Carrier: All carriers (Unlocked)
- Connectivity Technology: Bluetooth, USB
- Operating System: Android 4.0
- CPU Model: A-Series
- Memory Storage Capacity: 32 GB
- Screen Size: 3 inches
- Display Resolution: 480 x 320
- SIM Card Slots: Single SIM
- SIM Card Size: Nano
- Rear Camera Resolution: 1.3 Megapixels
- Battery: 1 Lithium-ion (included), 1400 mAh
- Talk Time: 8 Hours
- Headphone Jack: 3.5 mm
- Water Resistance Level: Not waterproof
- Special Product Features: Amplified sound (up to 80dB ringtone, 40dB reception), Large backlit keypad, SOS function, ICE function, Hearing aid compatible (T-position), Speaking keypad.
8. Warranty and Support
For warranty information and technical support, please refer to the documentation provided with your purchase or visit the official Geemarc website. Keep your proof of purchase for warranty claims.





