Subway Elevator Wall-Mounted One-Key Dial Emergency Intercom Telephone

I. Function Overview
1. Wall-mounted or embedded installation, aesthetically pleasing appearance, aluminum alloy body.
2. Supports connection to digital programmable switches or local telephone lines.
3. Hands-free one-touch direct call, can be set for automatic answering of incoming calls, detects busy tone to end call.
4. Built-in 2W speaker, supports audio output interface, can connect external active speakers.
5. Supports hotline dialing via switch or dialing from pre-stored number groups on the phone.
6. Supports pre-storing three sets of one-touch dialing number groups.
7. Supports power supply via telephone line feed, no external power source needed.
8. Supports status indicator lights, displaying standby, ringing, and call status.

II. Operation and Usage
1. Power On/Off: The power on/off is controlled by the hands-free button;
2. Answering Calls: When there is an incoming call, the phone rings. Press the hands-free button to talk, or wait for automatic connection;
3. Making Calls: Press the hands-free button to dial. After the call, lightly press the button to end the call, or wait for the busy tone to end the call;

III. Main Technical Parameters
1. Supports digital programmable switches or local telephone lines with feed voltage of 48-60V.
2. Temperature: -20℃~65℃ Relative Humidity: 10%~90% Atmospheric Pressure: 86~106 Kpa Ambient Noise: ≤100dB(A) 
3. Power Supply: Telephone line feed power.
4. Call Distance: In noisy environments not exceeding 70DB, call sound ≧90CM.
5. Installation Environment: Indoor or sheltered semi-indoor environments.
6. IK Protection Level: IK10.

IV. Packaging Dimensions
Unit Dimensions: 190*110.5*40mm
Outer Box Dimensions: 325*145*70mm
Packaging Material: Carton
Gross Weight: 1.1KG
Net Weight: 0.70KG