Troubleshooting
Specifications
No sound or very low
volume.
• Is specified AC adapter connected and
power switch set to ON?
Follow the instructions in "Turning the Unit
On".
• Is sound source connected correctly to
INPUT jacks and are OUTPUT jacks
connected correctly to playback equipment?
Follow the instructions in "Getting
Connected".
• Are all shielded cables used for the
connection okay?
Try replacing the shielded cables.
• Is MIX control set to maximum in bypass
mode?
Adjust MIX control.
• Is the amplifier switched on? Is the volume
at the sound source and amplifier set to
proper position?
Turn amplifier on. Adjust volume of sound
source.
Replace batteries.
• Is INPUT control or OUTPUT control turned
down?
• Are the batteries exhausted?
Adjust INPUT control and OUTPUT control.
Input sound breaks up
or is distorted.
• Is input signal level too high?
Adjust volume of sound source and set
INPUT control to a suitable position.
• Is LINE/MIC switch set to MIC?
Set LINE/MIC switch to LINE.
• Is input signal supplied both to phone jacks
and RCA type phono jacks?
Phone jack input and RCA type phono jack
input cannot be used simultaneously.
Connect a sound source only to one input.
No effect sound
• Is unit set to bypass mode?
Cancel bypass mode.
• Is MIX control turned fully to direct sound
side?
Adjust MIX control to achieve proper
balance between direct sound and effected
sound.
Symptom
Check Remedy
Number of Effect Programs
11 x 2 banks
Sampling Frequency
44.1 kHz
Analog/Digital Conversion
18 bit, 64 times oversampling
Digital/Analog Conversion
18 bit, 8 times oversampling
DSP
ZOOM original ZFx-2
Inputs
L/MONO, R
Standard monaural phone jack x 2
Input impedance:
22 kilohms
Rated input level:
-10 dBm (Line)
-56 dBm (Mike)
L, R
RCA type phono jacks
Input impedance:
22 kilohms
Rated input level:
-10 dBm
Outputs
L, R
standard monaural phone jacks
L, R
RCA type phono jacks
Output load impedance: 100 ohms or more
Max. output:
+6 dBm
Power Requirements
Supplied AC adapter 9 V DC, center
negative (AD-0006)
Battery: IEC R6 (size AA) x 6
Battery life: approx. 10 h (with
alkaline batteries)
Dimensions
168 (W) x 170 (D) x 59 (H) mm
Weight
550 g
* 0 dBm = 0.775 Vrms
* Design and specifications subject to change without notice.
ZOOM CORPORATION
NOAH Bldg., 2-10-2, Miyanishi-cho, Fuchu-shi, Tokyo 183-0022, Japan
PHONE: +81-42-369-7116 FAX: +81-42-369-7115
Printed in Japan RFX-300-5000
