Telex KP-812, User Manual

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KP-812 Keypanels User Manual
Service Menu, Test Panel
Test Panel lets you check the operation of all key and displays.
All alphanumeric displays show a % symbol. Pressing down on any key will cause OK to
display. This verifies operation of the key. Tapping up or down on the Headset/Vol. Sel. key
will cause the display to cycle through the available selections.
Tapping either the listen or talk button, or the Call Waiting button will cause the corresponding
red LED to light. This verifies latching operation and also that each red LED is
OK .
Holding any button will cause the corresponding green LED to light. This verifies operation of
the green LEDs.
Service Menu, Tone Gen
Tone Gen turns the Internal tone generator on or off. You can use the tone generator to
check the audio path from the keypanel to the matrix and back.
Note : The microphone is muted when the tone generator is active.
Service Menu, Tally Duration
1. Turn the encoder knob until Tally Duration displays.
2. Tap the encoder knob to select.
3. Turn the encoder knob to toggle between
5 sec, 10 sec, and 15 sec.
4. Tap the encoder knob to select the Tally Duration you chose.
5. Press the encoder knob for 1 second to exit.
6. Run Service Menu, Save Cfg to store the Tally Duration settings.
Note: If DIP switch four is closed the tally lasts for as long as the caller’s talk key is closed.