Iso-Tech IIT 1500 Manuel D'utilisation page 20

Buzzer
The buzzer beeps once for every valid key-press, and beeps twice for every
invalid key-press.
Power-up options:
Press the following buttons while turning tester on.
LOCK button: display the software version.
STORE button: Reset all stored data
Blue button: disable auto power off.
SECTION 5 - BATTERY & FUSE REPLACEMENT
Caution
The following safety information must be observed to ensure maximum personal
safety during the operation of this Tester.
1. To avoid electric shock, disconnect the test leads before replacing the tester
fuse or batteries.
2. When replacing the tester batteries, do not mix batteries of different types or
old and new batteries.
3. Check the battery polarity carefully when inserting the batteries.
4. Do not short-circuit used batteries, disassemble them, or throw them in a fire.
Doing so may cause the batteries to explode.
5. Dispose of the used batteries in accordance with local regulations.
Refer to the following
figure to replace the fuse
and the batteries:
Caution
Use only a fuse with the following fuse rating:
Fuse rating : Fast, 315mA, 1000V, Min Interrupt Rating 10KA
(Such as SIBA 70 172 40 or equivalent)
• Replace the batteries as soon as the low batteries indicator "<" appears
• When the battery is too low for reliable operation , the tester displays " bAtt".
The instrument will not operate until the battery is replaced.
• Replace with 4 x 1.5V AA alkaline batteries.
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