To place a call on hold, simply hold down the button while hanging up the phone. To take a call off hold, just pick up the phone, or any extension. 2. Even ...

This is the schematic of the Phone Hold Button ... LED1, 1, Red LED, Green LED, Yellow LED. S1, 1, Normally Open Push-Button Switch.

This circuit will allow you to place a phone call on hold and if you wish to have them listen to music while they are on hold.

Telephone and Intercom related Schematic and Tutorials - 1-line telephone status ... Telephone Hold Button, Telephone in use light, Telephone interfacing ...

A telephone hold circuit for permitting either an incoming or an outgoing call to be held indefinitely, or as long as the party on the other end does not ...

Not shown in this diagram are the wiring of the line lamps (usually ... The call is now on hold -- the phone company sees current flowing through the "hold ...

the time Mach hold was selected. ... II manual trim is desired, while on mm or if the AUTO TRIM FAILURE light is illuminated, Manual trim may be selected by ...

( Cl . 340—52 ) closed when said second relay is deenergized , holding contacts on ... said switch controlled head light circuit , a switch controlled long ...

... continuing to hold the TRANSFER TEST switch ON will only circulate fuel ... illumination of the NO FUEL TRANSFER light , after manual activation of the ...