Note: To use the HCO function you must
have a stereo headset or amplified
speaker plugged
into the HCO output
jack.
1. Press Power to
turn on the Q90.
2.Make sure HCO
is on by pressing
F9 once or twice,
as needed.
3.Use the Q90 to dial
your relay service number.
4.The Q90 will automatically
mute the audio while you type
and un-mute the audio when
you stop.
5.When finished, hold down Ctrl
and press Power to turn off
the Q90.
G. HCO (Hearing Carry Over) Calls
CHAPTER 6
(CONTINUED)
4.When the relay
service responds
and sends GA,
the green Micro-
phone indicator
will light up.
5.You may now voice your response.
6.When you wish the other party to
respond, say go ahead.
7.The Q90 micro-
phone will turn off
automatically
when the relay
service sends text.
8.When finished,
hold down Ctrl
and press Power
to turn off the Q90.
Note: If the microphone
does not turn on auto-
matically, hold down
Ctrl and press F5
to turn it on manually.
If the microphone does
not turn off automa-
tically, press Esc
to turn it off manually.
ZX
ShifShift
CtrlCtrl
F4 F6 F7
£$ % ^
456
K# VCO
REQUEST MSG 2 Hi-SP
F5F5
MSG 1
?
/Shift
PowerPower
ZX
ShifShift
CtrlCtrl
17
F7 F10
^&*(
6789
TRANS
G 2 Hi-SPEED SAVE
F8 F9F9
HCO