Alford Industries SPF-2010 Instruction Manual

TROUBLESHOOTING GUIDE

TROUBLESHOOTING GUIDE
SYMPTOM SYMPTOM CAUSE CAUSE
Headphone is not turned on.
Batteries are exhausted.
Transmitter's power is off.
No sound No sound
Headphones' volume is completely
turned down.
Automatic"muting"at headphone.
Headphones' batteries are weak.
Poor sound quality Poor sound quality
Out of range

SPECIFICATIONS

Communication level mode Radio Frequency(49.86MHz)
Communication level Stereo
Power requirement:
Transmitter 12V 100mA AC/DC adapter
Headphone(receiver) 3V (2x1.5V AAA carbon, alkaline, Ni-Cd batteries)
Frequency Response 30-10000Hz
S/N Ratio 42 dB
Distortion 1%
Max operating distance Maximum 25 meters
Weight:
Transmitter (without adapter) 105g
Headphone (without batteries) 122g
Standard Accessories AC/DC power adapter(for transmitter)
3.5mm to 6.3mm Plug Adapter
3.5mm to RCA (stereo) Patch cord
This device complies with Part 15 of the FCC Rules. Operation is subject to the following
two conditions:
1.This device may not cause harmful interference,and
2.This device must accept any interference received.Including interference that may cause
undesired operation.
SOLUTION SOLUTION
Turn on the headphone.
Change batteries.
Turn on the transmitter's power.
Turn the volume up.
Move closer to transmitter.
Change batteries.
Move closer to transmitter or
adjust the transmitter antenna
INSTRUCTION MANUAL INSTRUCTION MANUAL
SPF-2010
RADIO FREQUENCY RADIO FREQUENCY
CORDLESS HEADPHONE SYSTEM CORDLESS HEADPHONE SYSTEM
SYSTEM COMPONENTS SYSTEM COMPONENTS
On/Off Indicator
Audio cord with 3.5mm plug
TRANSMITTER
12V 100mA AC/DC
ADAPTER
Caution: Any changes or modifications not expressly approved by the party responsible for
compliance could void the user's authority to operate the equipment.
15-Mar-04 R.03
Battery
Compartment
Power On/Off
Indicator
On/Off Switch
Volume Control
Wire antenna
CORDLESS HEADPHONE CORDLESS HEADPHONE
3.5mm to 6.3mm PLUG ADAPTER
3.5mm to RCA (STEREO) PATCH CORD