GW Instek GCM-407, User Manual

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c. Only install batteries of the correct type and
rating.
d. After installing the new batteries, re-install the
battery cover.
This manual contains proprietary information, which is
protected by copyright. All rights are reserved. No part of
this manual may be photocopied, reproduced or translated
to another language without prior written consent of Good
Will company. The information in this manual was correct at
the time of printing. However, Good Will continues to
improve products and reserves the rights to change
specification, equipment, and maintenance procedures at
any time without notice.
Good Will Instrument Co., Ltd.
No. 7-1, Jhongsing Rd., Tucheng Dist.,
New Taipei City 236, Taiwan.
GCM-407 User Manual GCM-407 User Manual
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9. Power (OFF)
Turns the instrument off.
10. Automatic Shutdown Function
If the function dial is not turned or a key is not
pressed on the clamp within a 15 minute window,
the display will turn off and the clamp will enter a
low power state. To wake the meter up, press
any key.
Press the SELECT key to turn on the unit with
the automatic shutdown disabled.
X. Maintenance and Upkeep (See
Figure 11)
Warning: To prevent electric shock, keep the
protective caps on the test leads when not in
use.
1. General Maintenance
a. The clamp meter should be maintained by
qualified personnel or return the unit to the GW
Instek service center.
b. Clean the outer case with a soft cloth. Do not use
cleaning agents containing abrasive materials or
solvents.
2. Installation or Replacement of Batteries
3 AAA 1.5V batteries power the product. Please
install or replace batteries as follows:
a. Shut down the clamp meter and remove the test
leads.
b. Place the unit face down and unscrew the screw
from the battery cover. Remove battery cover
and replace the batteries. Take note of the
polarity indicated in the battery compartment.