Do you have a question about the HYBREX DK1-21 and is the answer not in the manual?
Safety guidelines for installing telephone equipment, including precautions during lightning storms and in wet locations.
Diagram and labeling of keys and components on the HYBREX digital key telephones.
How to make internal calls between extensions using dialing numbers or DSS keys.
Procedure for automatically selecting an idle CO line for making outside calls.
Steps to directly select any available CO line for making calls.
How to automatically dial stored numbers by entering a Speed Dial Access Code.
Using programmed DSS keys to automatically dial stored phone numbers.
How to be notified of incoming calls when your extension is busy and how to respond.
How to answer incoming intercom and outside calls using handset or handsfree.
Answering another ringing extension's call directly or from any group.
Placing calls on hold and retrieving them from any extension.
Placing calls on hold that can only be retrieved by the originating extension.
Making conference calls with multiple internal or external parties.
Procedures for direct, indirect, and voice-announced call transfers.
Displaying incoming caller information and redialing recent numbers.
Setting up call forwarding for all calls, busy, or no answer scenarios.
Using an account code to bypass toll restriction for unrestricted dialing.
Programming speed dial numbers and one-touch dialing keys.
Securing the telephone by locking or unlocking extensions with a security code.