VocoPro VHF-77 User manual

OWNER'S MANUAL
VHF-77
DUAL RECHARGEABLE WIRELESS MICROPHONES
EXCELLENT FEATURES:
- BUILT IN RECHARGEABLE BASE ON THE RECEIVER
- AUDIO MUTE CIRCUITRY PROVIDES NOISELESS ON/OFF SWITCHING
■ TONE SQUELCH CODING ELIMINATES RADIO FREQUENCY
NOISE BURSTS

1. Check all the accessories from the list.
1.2 Microphone / Transmitters
2. Receiver / Charger unit
3. AC Adapter
4 . 4 Rechargeable Batteries
5. 1 / 4 ” Cable
2. Turn the microphones power switch to the off position and insert the rechargeable
battery into the microphone by turning the bottom of the unit. Be sure to install the
battery correctly,
MOTE: This microphone wiil operate with regular non chargeable battery, but make
sure you do not place the microphone on the receiver / charger stand (even receiver
power is off] CHARGING A REGULAR NON CHARGEABLE BATTER MAY CAUSE
THE BATTERY TO EXPLODE.
3. Plug in the AC Adapter into the receiver/charger and turn on the power.
4. Using a 1 /4" cable to connect the output of the receiver into the input of the system.
5. Turn down your system and power up your system and the receiver. You should see
a green light on the receiver once it's powered up. Gradually turn up the level until
you receive the desired volume.
6. After performing, remember to turn off the power on both the microphone and
receiver/charger. To charge the rechargeable batteries place the microphone in
the Recharging Stand, Make sure that the charging LED light is on. To maintain a
long rechargeable life DO NOT charge the unit for more than 8 hours at a time.
To stop recharging just turn the microphone m the stand so the Recharging Light
goes off.
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IMPORTANT FEATURES
1. Rechargeable Receptacle / Stand
2. Receiver Antenna
3. Charging Terminal
This terminal is For charging the microphone when not in use. Insert the mic. into the termina
so the indicator lights up. After the mic. is fully charged turn the mic around to prevent ove
charging which will damage your rechargeable batteries. When fully charge the indicator
light will go off.
4. AC Power
Plug the AC Adapter jack into the jack to get power. Be sure to only use the supplied
adapter. NOTE: The second jack is designed for the optional body pack. DO NOT plug
anything else into this jack. It could damage your system,
5. Microphone Signal Output Jack:
This jack is for connecting the unit to your mixer.
6/7, Output Volume Controls:
This controls the volume of the unit. It's a good idea to keep it at a lower volume to preven
audio feedback.
8. Receiver ON/OFF Switch:
This is the power switch for the receiver. This will NOT effect the charging function.
9. Signal Indicator Light:
When the microphone is in use this light will turn green to show that the unit is receiving
the signal.
10. P ower Indicator Light: This will light green when the battery is at a good charge and
will light red when the battery is weak and needs to be charged or replaced.
11 . Microphone ON/OFF Switch:
Turns on the power for the microphone.
12. Charging Indicator Light:
This will light RED when battery is weak, yellow when the microphone is charging
and Green when the microphone is charged.
13. Frequency Weak / Down Switch
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OPERATION TIPS
1. F or Optimum performance place the receiver at least 3 Feet above the
ground and at least a couple feet from concrete walls or metal surfaces
to prevent any reflections. The microphone should also be at least 3 feet
away from the receiver's antenna.
2. B efore powering up the units turn the volume down of all the gear. Power
up and gradually bring up the volume to the desired setting. You should
see the green light to show that the unit is receiving the signal.
NOTE: WHEN THE MICROPHONE IS OFF BUT THE SIGNAL INDICATOR
STILL LIGHTS UP THE UNIT IS RECEIVING INTERFERENCE. CHECK
FOR THE SOURCE OF INTERFERENCE OR CHANGE THE location OF
THE RECEIVER. IF THE INTERFERENCE STILL EXISTS IT MEANS THE
CHANNEL IS STRONGLY INTERFERED, EXCHANGING THE SYSTEM
WITH ONE WITH A DIFFERENT FREQUENCY IS THE BEST SOLUTION.
3. F or a good balance turn the volume control on the receiver to the half
way position, and then adjust input of your mixer or equipment to get
the desired volume.
NOTE: IF THE RECEIVER OUTPUT IS SET TO HIGH OR THE MIXER IS
SET TO LOW, IT WILL CAUSE FEEDBACK AND OR NOISE FROM THE
MIXER OUTPUT. IF THE SETUPS ARE REVERSED, THE SIGNAL TO NOISE
RATIO WILL BECOME WORSE.
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THE VHF-77 MICROPHONE FEATURES
o o o o o o
1. Power LED: This will light up when microphone h turned on and in use.
2. Power Switch: This is used to turned on the microphone.
3. Recharging LED: This will light up when the microphone is being charged.
NOTE: DO NOT RECHARGE NON RECHARGEABLE BATTERIES. THE BATTER]ES
COULD EXPLODE AND DAMAGE YOUR MICROPHONE.
4. Removable Battery Compartment Cover: Remove this cap to replace your batteries.
This also allows access to the 3 way output adjustment switch.
5 . Color Coded Frequency Ring: This tells you what wireless frequency you're using
so you can use multiple wireless system without frequency interference.
6. Replaceable Windscreen: This allows you to replace the windscreen if damaged
or worn.
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SPECIAL FEATURES:
1. Three Way adjustable output switch: This switch is located in the battery compartment.
It has three settings HI, MID, LOW. The microphone comes from the factory set at the
Mid position. This setting is a good all around setting for general use. The LOW setting
is good for singers that have a very loud powerful voice. This will help prevent the
microphone from distorting from too much sound level. The HI setting is suggested for
speaking or persons with that sing with less power. When adjusting the level switch,
be sure to turn the unit off or to turn the volume all the way down. Use this feature to
adjust the microphone for optimum performance or your application.
2. Replaceable Microphone Capsule: This allows the user to replace the capsule if
worn or damaged during use. U also allows the user to replace the original capsule
with an after marker unit.
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TROUBLESHOOTING
SYMPTOM: BATTERY RUNNING LOW EVEN WHEN JUST CHARGED
CAUSE REMEDY
The microphone ts not connecting
to the charging base correctly
when charging.
Battery is not fully charged.
Check the battery charging indicator
light when charging when the
microphone is being charged.
Charge the battery for a full
eight hours before use.
REMEDY
SYMPTOM: NO SOUND
CAUSE
Microphone or receiver is not turned on.
Output Level setting is to low.
Input volume of your system not
turned on.
RED Lamp is lit because battery ts low,
SYMPTOM: Noise when the microphone
is operating.
Turn both units on, check signal indicator
to make sure you're getting signal.
Turn up the output level on the back of
the receiver.
Check the input volume on your system.
Charge battery for S hours if it's a
rechargeable one. If not replace battery.
NEVER RECHARGE NON
RECHARGEABLE BATTERIES!
Check the battery indicator light
recharge the battery.
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SYMPTOM: NOISE WHEN THE MICROPHONE [5 OPERATING
CAUSE REMEDY
Battery is low. Check the battery indicator tight recharge
the battery.
Antenna is not fully extended. Extend the antenna to full extension.
SYMPTOM: NOISE WHEN THE MICROPHONE IS OPERATING
CAUSE REMEDY
The microphone is out of range. Place the receiver closer to the
microphone's operating range.
SYMPTOM: BATTERY RUNNING LOW EVEN AFTER RECHARGING
CAUSE REMEDY
Rechargeable battery is worn out
( Rechargeable batteries have a
life about 500 hours of charging
and discharging)
Replace the battery with the same type of
rechargeable battery (1.2V x 2
Rechargeable battery] NOTE: DO NOT
RECHARGE NON RECHARGEABLE
BATTERIES. THE BATTERY MAY EXPLODE.
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