User guide

7
11. GAIN SELECTOR SWITCH
Gaincanbechangedin6steps(0,−3,−6,−9,−12,and−15dB).
TheGainselectorswitchsetsthemicrophonesensitivitymaximumat“0
dB”positionandminimumat“−15dB”position.
Ifaloudvoicedistortstheoutputsound,decreasethesensitivitybysetting
theswitchtothe“−3dB”positionorlesswiththesuppliedscrewdriver.
Note: TheInputsensitivitysettingswitchisfactory-presetto"0dB."
12. TEST MODE ON/OFF SWITCH
• HoldingdowntheTestmodeON/OFFswitchfor1secondormorewith
thesuppliedscrewdrivercausesthetestsignaltobetransmitted.(This
condition is referred to as the Test mode.) Press this switch again to
returntotheusualcondition.
Note: Donotpresstheswitchtoostronglywithasharp-pointedobject,
as this may cause unit failure.
• Oncethepoweristurnedoff,thetestmodewillbereleasedthenexttimethepoweristurnedon.
• Whileintestmode,thereceiverdoesnotoutputaudiosignalsevenifitreceivestheradiosignalsfromthe
wireless microphone.
• For the test signal operation, refer to the S-D7000 Digital wireless system’s Setting software instruction
manualsuppliedwiththeS-D7802Digitalwirelessreceiver.
13. TROUBLESHOOTING
Symptom Point to check Remedy
Thebatteryindicatornot
lightevenifthepowerswitch
turnedon.
Batterypolaritynotcorrect. Reinsertbatteriescorrectly.
Batterydischarged. Replacethebatterieswithnewones.
When the power switch
turnedon,thebattery
indicatorashesred.
Batterydischarged. Replacethebatterieswithnewones.
When the power switch
turnedon,thebattery
indicatorashesgreen.
Group or channel set to the
onenotlistedinthefrequency
table.
Reset the group or channel according to
the“Frequencytable.”
Receiver’sreceivingantenna
indicatornotlightevenwhen
thepowerswitchturnedon.
(Nosignalreceived.)
Group,channel,andIDsetfor
the wireless microphone not
identical to those forwireless
receiver.
Reset the Group, channel, and IDfor the
wireless microphone to the same ones for
wirelessreceiver.
Interferes with other wireless
microphonebeingused
simultaneously.
Group and channel not set
according to the “Frequency
table”(p.12).
Check the “Frequency table” (p.12), then
resetgroup andchannelaccordingtothe
table.
Two wireless microphones set
to the same ID number.
SetthedifferentIDnumber.
Distance between the wireless
microphones too close.
Keepthewirelessmicrophonesatleast50
cm away from each other.
Wireless microphone being
usedtooclosetothereceiving
antenna.
Keepthewirelessmicrophoneatleast3m
awayfromthereceivingantenna.
Thereceivedaudiosignals
distortedoraudioleveltoo
low.
Gain selector switch not set
correctly.
SettheGainselectorswitchappropriately
while monitoring receiver’s audio output
levelmeter.
GAIN
0
−15
−12
−3
−6
−9
TEST