Troubleshooting; Bfx-708 Specifications - Zoom BFX-708 Operation Manual

Symptom
No sound or very low
volume
Sound of CD player or
other equipment
connected to INPUT jack
is not heard (sampling is
not carried out)
Rhythm pattern is not
played
Expression pedal on/off
switching is not
performed properly
Effect Programs 48 types (43 effects + 4 amp simulator settings
+ ZNR)
Effect Modules
4 modules + amp simulator + ZNR
Sampler Function Maximum recording time: 6 seconds
Playback speed control
<MOD and REV modules are temporarily
turned off when sampler function is used>
Patch Memory
USER: 6 banks x 5 = 30 (rewritable, with
store)
PRESET: 6 banks x 5 = 30
Total 60 patches
Sampling Frequency
31.25 kHz
A/D Conversion 20-bit, 64-times oversampling
D/A Conversion 20-bit, 128-times oversampling
DSP
ZOOM original ZFx-2
Input
Bass input : standard mono phone jack
(Nominal input level -20 dBm, input
impedance 470 kilohms) Input signal can be
attenuated by 6 dB
Also serves as AUX IN for standard stereo
phone jack
ZOOM CORPORATION
NOAH Bldg., 2-10-2, Miyanishi-cho, Fuchu-shi, Tokyo 183-0022, Japan
PHONE: 042-369-7116 FAX: 042-369-7115

Troubleshooting

Check
• Is suitable AC adapter connected, and
power switch set to ON?
• Is instrument connected correctly to INPUT jack
and playback equipment to OUTPUT jack?
• Is shielded cable defective?
• Is amplifier turned on? Are level controls for
instrument and amplifier set to proper
• Is BFX-708 set to mute condition?
• Is OUTPUT knob turned down?
• Is expression pedal raised?
• Is input gain set properly?
• Is output level of CD player set to
appropriate position?
• Is rhythm volume turned down?
• Readjusting the pedal may correct the
problem.

BFX-708 Specifications

Make connections as described in "Getting
Connected" and turn power on.
Make connections as described in "Getting
Connected".
Try using another cable.
Turn amplifier on and adjust volume to
proper level.
Cancel the mute condition.
Set OUTPUT knob to proper position.
For some patches, the expression pedal
controls the volume. Set it to a suitable
position.
Try setting INGAIN parameter in TOTAL
module to "Hi" (
Adjust level.
Use PARM 3 knob to adjust the volume.
Readjust pedal, as described on page 23.
Output Combined line/headphone output
Standard stereo phone jack
(maximum output level = +3 dBm with output
load impedance of 10 kilohms or higher)
Display 6-position alphanumeric LED display
2-position 7-segment LED display
Power Supply
AC adapter (available separately)
9 V DC, center minus, 300 mA (ZOOM AD-
0006)
Batteries: IEC R6 (size AA) x 4
Continuous operation: approx. 14 hours (with
alkaline batteries)
External Dimensions
235 mm (W) x 189 mm (D) x 54 mm (H)
Weight 740 g (without batteries)
* 0 dBm = 0.775 Vrms
* Design and specifications subject to change without notice.
Remedy
p. 8).
Printed in Japan 708-5000