Troubleshooting; Specifications - Zoom 708II Bass Operation Manual

Troubleshooting

■ No sound, or very low volume
• Is the correct AC adapter connected, and the power
switch set to ON?
Refer to "Getting Connected" on page 7 and turn the
power on.
• Are [INPUT] jack and [OUTPUT/PHONES] jack
connected correctly to the instrument and amplifier?
Refer to "Getting Connected" on page 7 and establish
correct connections. Check volume settings at
instrument and amplifier.
• Is the shielded cable defective?
Try replacing the cable.
• Is 708II set to mute condition?
Cancel the mute condition.
• Is [OUTPUT] knob turned down?
Set knob to suitable position.
• Is expression pedal raised?
For some patches, the expression pedal controls the
volume. Set it to a suitable position.
• Is the PICKUP SELECTOR module set correctly,
according to the pickup type of the bass guitar?
■ Cannot record from [AUX IN] jack
Is input source set to "BASS"? Set it to "AUX".
■ Sound is unnaturally distorted
• Is the PICKUP SELECTOR module set correctly,
according to the pickup type of the bass guitar?

Specifications

◆
Effect Programs 69 types
◆ Effect Modules
7 modules
◆ Sampler Function
Maximum recording duration 6
seconds (without SmartMedia)
16-bit linear record/playback
(MOD and REV modules are
temporarily turned off when
sampler function is used)
◆ Patch Memory
USER: 6 banks x 10 = 60
(rewritable, with store)
PRESET: 6 banks x 10 = 60
Total 120 patches
◆ Sampling Frequency
31.25 kHz
◆ A/D Conversion
20-bit, 64-times oversampling
◆ D/A Conversion
20-bit, 8-times oversampling
◆ Input
Bass input: standard mono
phone jack (nominal input
level -20 dBm, input
impedance 500 kilohms)
AUX IN: miniature stereo
phone jack (nominal input
level - 20 dBm, input
impedance 20 kilohms)
• Adjust LEVEL parameters of modules, and GAIN
parameter of DRIVE module.
■ High noise levels
• Adjust ZNR parameter. If problem persists, try
reducing GAIN.
• Is the PICKUP SELECTOR module set correctly,
according to the pickup type of the bass guitar?
■ Cannot play rhythm pattern or volume is
very low
• Is rhythm volume set to low value?
Adjust parameter knob 3 to obtain suitable volume.
■ Expression pedal on/off switching does not
work properly.
• Try the procedure described in "Adjusting the
Expression Pedal" on page 25.
■ SmartMedia card cannot be used
• Is [SMART MEDIA] LED lit?
Turn unit off and check whether SmartMedia card is
inserted properly.
• Is correct SmartMedia card used?
The 708II can use SmartMedia cards with a capacity
from 16 to 128 MB (designed for 3.3V).
• Has SmartMedia card been formatted?
Be sure to format the SmartMedia card in the 708II
before use, as described on page 31.
◆ 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 Requirements
AC adapter (available
separately)
9 V DC, center minus, 300 mA
(ZOOM AD-0006)
Batteries: IEC R6 (size AA) x
4
Continuous operation: approx.
11 hours (with alkaline
batteries)
◆ External Dimensions
249 mm (W) x 195 mm (D) x
57 mm (H)
◆ Weight
860 g (without batteries)
* 0 dBm = 0.775 Vrms
* Design and specifications subject to change without notice.
39
ZOOM 708II BASS