User Guide

ZOOM H4
11
Operation on Battery Power
The H4 can be powered from batteries which must be purchased separately. Insert the batteries as
follows.
1.
Open the battery compartment cover
as described on page 9.
2.
Insert two IEC R6 (size AA) batteries.
3.
Close the battery compartment cover.
NOTE
• When the unit is operated on batteries, the
indication "Low Battery!" will appear on the
display when the batteries are exhausted. In
this case, turn the unit off and replace the
batteries as soon as possible with fresh ones.
• When the unit is operated on batteries, you
should not open the battery compartment
cover while power is on. Otherwise the sudden
interruption of power may lead to data loss.
Power On/Off
Use the following procedure to turn the H4 on and off.
Power-on
1. Verify that power to the H4 and any
peripheral equipment is off.
Turn down the volume control on connected
instruments, the H4, and the monitoring
system.
2.
Insert the SD card into the [SD
CARD] slot (
→
p. 10).
3.
Set the [POWER] switch on the H4
to On.
NOTE
• If the indication "No Card" appears at startup,
the H4 has not detected an SD card. Verify
that an SD card is correctly inserted.
• If the indication "Format Card?" appears at
startup, the H4 has detected that the SD card
is not initialized. To execute the initialization
process, bring the cursor to the OK button
and press the jog dial.
4.
Turn power to other equipment on
in the order connected instruments
→
monitoring system.
Power-off
1. Turn power to other equipment off
in the order monitoring system
→
connected instruments.
2.
Set the [POWER] switch on the H4
to Off.
The message "GoodBye See You!" is shown on
the display and the H4 is turned off.
Information about current operations is
automatically saved on the SD card.
NOTE
• Always use the [POWER] switch to turn the
unit on and off.
• Never disconnect or connect the AC adapter
while power is on. Otherwise data loss may
occur.
• In particular, do not plug in or unplug the AC
adapter while the [ACCESS] indicator is lit.
Otherwise data can be destroyed.
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