1. Pwodwi souview
The KELUSHI C019 is a smart and lightweight telephone line tester designed for telecommunication professionals and enthusiasts. It provides essential functions for checking telephone lines, including Caller ID display, redial capabilities, and various connection options. Its compact design makes it suitable for field use and computer lab environments.

Figure 1: KELUSHI C019 Telecom Check Telephone Line Tester
2. Karakteristik kle
- Smart and Lightweight Design: Optimized for portability and ease of use in various settings.
- FSK / DTMF Dual System Caller ID: Supports both FSK and DTMF Caller ID formats for broad compatibility.
- Multiple External Plug Heads: Includes three types of external plug heads for versatile connection options.
- Take-Function (Line Function): Enables specific line operations.
- Last Group Dial Number Redial Function: Allows for quick redialing of the most recently dialed number.

Figure 2: KELUSHI C019 Tester with highlighted functions
3. Pake kontni
Verifye ke tout atik yo prezan nan pakè a:
- KELUSHI C019 Host Unit x 1
- Straight Line Cable x 2
- Straight-Through Head Adapter x 1
- Product Packaging Box x 1

Figure 3: KELUSHI C019 Product List

Figure 4: KELUSHI C019 Shipping Styles (Note: Two styles may be shipped randomly)
4. Enstalasyon ak Koneksyon
To set up your KELUSHI C019 tester, identify the appropriate connection method for your task:
- Direct Line Connection: Use one of the provided straight line cables to connect the tester directly to a telephone wall jack or a compatible port.
- Alligator Clip Connection: For connecting to bare wires or terminals, attach the alligator clips to the straight line cable or use the dedicated alligator clip adapter if provided. Ensure proper polarity when connecting.
- Straight-Through Head: Utilize the straight-through head adapter for specific testing scenarios where a pass-through connection is required.
Ensure all connections are secure before proceeding with any tests or operations.

Figure 5: KELUSHI C019 Connection Cables and Alligator Clips
5. Operasyon Enstriksyon
The KELUSHI C019 is designed for straightforward operation. Familiarize yourself with the keypad and display for optimal use.
5.1 Operasyon debaz
- Limen/Etenyen: Use the designated ON/OFF button to power the device.
- Fè yon apèl: Fè nimewo ou vle a lè l sèvi avèk klavye nimerik la.
- Rekomanse: Press the 'REDIAL' button to call the last dialed number.
- Fonksyon Flash: Use the 'FLASH' button for specific telephone system functions, such as call waiting or transferring.
5.2 ID moun kap rele
When connected to a line with Caller ID service, incoming call information (number, name if available) will be displayed on the LCD screen. The device supports both FSK and DTMF Caller ID systems.
5.3 Line Testing
The C019 can be used to check for line presence and basic continuity. Observe the display and listen for dial tone to confirm line status. For detailed line diagnostics, consult advanced telecommunication testing procedures.

Figure 6: KELUSHI C019 Keypad Detail

Figure 7: KELUSHI C019 Earpiece/Microphone
6. Antretyen
To ensure the longevity and proper functioning of your KELUSHI C019 tester, follow these maintenance guidelines:
- Netwayaj: Siye aparèy la avèk yon twal mou epi sèk. Evite itilize pwodui chimik ki agresif oswa pwodui netwayaj abrazif.
- Depo: Sere aparèy tès la nan yon kote ki fre epi sèk, lwen limyè solèy dirèk ak tanperati ekstrèm.
- Batri: The device requires Nonstandard Battery batteries. Replace batteries as needed to maintain optimal performance. Refer to the battery compartment for specific battery type and replacement instructions.
- Swen kab: Avoid sharp bends or excessive pulling on the coiled cord and connection cables to prevent damage.
NAN. Depanaj
If you encounter issues with your KELUSHI C019 tester, try the following steps:
- Pa gen pouvwa: Asire w ke pil yo byen enstale epi yo gen ase chaj. Ranplase pil yo si sa nesesè.
- No Dial Tone/Line Signal: Check all cable connections to the telephone line and the tester. Ensure the line itself is active.
- ID moun kap rele yo pa parèt: Verify that your telephone line service includes Caller ID. Ensure the connection is secure.
- Bouton ki pa reponn: Power cycle the device (turn off and on). If the issue persists, check for physical damage.
Pou pwoblèm pèsistan ki pa rezoud ak etap sa yo, tanpri kontakte sèvis kliyan.
8. Espesifikasyon
| Karakteristik | Spesifikasyon |
|---|---|
| Nimewo Modèl | C019 (FBA_KLSC019) |
| Mak | KELUSHI |
| Dimansyon | 16.1 x 5.8 x 5.4 cm |
| Pwa atik | 133 gram |
| Materyèl | Plastik, Metal |
| Sous pouvwa | Corded Electric (requires Nonstandard Battery batteries) |
| Kalite Telefòn | Kòde |
| Kalite diler | Single klavye |
| Kalite sistèm repons | Digital |
| ID moun kap rele | Yes (FSK / DTMF dual system) |
| Aparèy konpatib | Telephone Line, Computer |
| Operasyon Plizyè Liy | Operasyon yon sèl-liy |
| Tan Siveyans Telefòn | 5 minit |

Figure 8: KELUSHI C019 Dimensions and Basic Specifications
9. Garanti ak sipò
For warranty information, technical support, or service inquiries, please refer to the contact details provided with your purchase or visit the official KELUSHI websit la. Kenbe resi acha ou kòm prèv acha pou reklamasyon garanti.
10. Lòt Detay

Figure 9: KELUSHI C019 Hanging Buckle Design for Portability

Figure 10: KELUSHI C019 Cable Tester in Use