For interphone function, please make sure you have bought two HM100PS.
- Under any status, press and hold the MFB button for 10s on your first speakerphone, LED indicator blinks RED and BLUE alternately, keep pressing until the BLUE light on.
- Press and hold the MFB button for 6s on another speakerphone till the LED indicator blinks RED and BLUE alternately. They will be auto connected.
- Once connected, the LEDs of both HM100PS will flash BLUE twice every 4s.
- You can also connect your phone with HM100PS first as above, and connect another HM100PS as interphones simultaneously.
- The interphone range is supposed to be 10M in theoretically perfect situation, but normally the effective range is about 7-8M.
|Send out intercom||Double click|
|Cancel intercom||Press once when sending out intercom|
|MFB||Answer intercom||Press once|
|End intercom||Press once|
|Reject intercom||Press and hold the MFB for about 2 seconds when receiving intercom|
|V+||Volume Up||Press once|
|V-||Volume down||Press once|