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18
CHAPTER 6
(CONTINUED)
The Q90 has a LOCK switch on the right
side. Turn the LOCK ON to prevent the
Q90 from accidentally turning on and
draining the battery. We
strongly advise you turn
the LOCK ON any time
you move the Q90 from
one place to another or
carry it in your luggage
or briefcase. Remember to turn the
LOCK OFF before using your Q90.
1. Background sounds will interfere
with a VCO or HCO call, so it is
very important to make these calls
in a quiet area. During an HCO
call, your caller should also be in a
quiet room.
2. You can make VCO and HCO calls
using a cordless or cellular phone.
3. When using a cellular phone for
VCO calls, turn the Hi-Speed™
mode OFF.
4. During a VCO or HCO call, if you
suspect there is static or other
noise on the phone line, turn the
Hi-Speed™ mode OFF.
5. For VCO calls, make sure the
green color microphone indicator
is ON before you speak.
H. Lock
I. Useful Tips
LOCK ON OFF