qtxsound VH45B User Manual

Operation


With levels turned down, connect a 6.3mm jack lead from the receiver to the P.A.
system or mixer and extend the antenna vertical to the receiver unit.

On the handheld transmitter, with the POWER switch off, unscrew the battery cover
and connect a good 9V (PP3) battery to the contacts, taking note that the "+" and "-"
connections are correct

With the VOLUME control turned fully down (anticlockwise), connect the DC adapter
to the receiver unit and then into the mains outlet, making sure that the adapter and
lead are in good condition.

Switch on the POWER on the handheld transmitter and check that the RF LED is
illuminated on the receiver. Switch off the MUTE and speak loudly into the
microphone, checking that the AUDIO PEAK LED on the receiver flashes with the
loudest sounds

Turn up the level on the P.A. system or mixer and then turn up the VOLUME control
(clockwise) on the receiver. The microphone should now be heard through the P.A.
system or mixer

After use, turn down the level on the P.A. system or mixer and then turn down the
VOLUME on the receiver, MUTE the transmitter and switch off POWER

Disconnect the receiver from the P.A. system and then unplug from the mains

If not used for a long period of time, remove the battery from the transmitter

Specifications

Power supply - Receiver
Power supply - Transmitter
Carrier frequency
Max deviation
Dynamic range
THD
Frequency response
Audio output
Signal to noise ratio
Channel rejection
Receiver sensitivity
Max continuous battery life
Dimensions - Receiver / Transmitter
Weight - Receiver / Transmitter
© QTX Sound 2010
9-15Vdc (adapter supplied) 200mA
9Vdc batter (PP3 type, supplied)
174.5MHz
±25kHz
>90dB
<0.5%
40Hz-15kHz ±3dB
400mV
>90dB
>80dB
10dBuV
10 hours
150 x 110 x 35mm / 250 x 50mmØ
190g / 280g
1622
VH45B
Wireless Microphone System
171.801
USER MANUAL