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HOW TO USE VCO AND HCO CALL
If you would like to make a call with Voice Carry Over and wish to receive the Baudot tone back
from the Relay Operator, you could use this feature of the Krown 200. In order to use this feature you
will need the help from the Relay agent. Follow this procedure to make a call:
1. Plug the external clip microphone to the MIC jack on the right side of the machine.
Clip the microphone to your shirt close with your mouth.
2. Turn on the TTY machine.
3. Press [CTRL] and [V] at the same time. Release both keys. The display will read
“VCO ON”
4. The Krown 200 is now ready to transfer your voice. Press [SHIFT] and [DIAL] at the
same time or use [CTRL] and [R] to auto dial Relay number.
5. After you see the message “TYPE NUMBER OR A-Z”: type your state relay number.
6. When the Relay Operator answer the call, you now may type the request to make the
VCO call to the operator. For example, “I WANT TO MAKE A VCO (or HCO) CALL
PLEASE GA”
7. When the operator is ready to receive voice, he or she will ask you to start voice. From
now on, you can use voice to communicate with the operator and the caller when
receiving Baudot answer on your screen.
8. To end the VCO call, press and hold [CTRL] and [9] at the same time until you see the
message on the screen, “DISCONNECT (Y/N)?” Type [Y] if you wish to hang up the
call. Type [N] to continue the conversation.
NOTE: If you wish to make a HCO call, use the external speaker instead of microphone and type the
message to Relay when listening to the caller’s voice. VCO and HCO are options for your Krown 200.
Please call your Krown Representative to have it installed
CTRL V
+
SHIFT DIAL
+
CTRL 9
+
OR
HCO
VCO
speaking
hearing
Relay ServiceHearing Phone User
speaking
typing
speaking
typing
VCO IS ON