KC N901, User Manual

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5. CAUTIONS ............................................................................... 27
5.1. B
ATTERY
U
SAGE
...................................................................... 27
5.2. M
AINTENANCE
......................................................................... 27
6. FREQUENTLY ASKED QUESTIONS ..................................... 28
6.1. H
ARDWARE
FAQ ...................................................................... 28
6.1.1. U
NABLE TO BOOT
....................................................................... 28
6.1.2. N
O
AR
DISPLAY
.......................................................................... 28
6.1.3. O
NLY SYSTEM INTERFACE SHOWN OF THE
AR
DISPLAY
.............. 28
6.1.4. T
HERMAL IMAGING SCREEN IS STUCK OR GHOSTING OR
SMEARING
............................................................................................ 28
6.1.5. S
HORT BATTERY LIFE
.................................................................. 28
6.1.6. N
O HEADPHONES OUTPUT
........................................................... 29
6.2. F
UNCTIONALAND
O
PERATIONAL
FAQ ..................................... 29
6.2.1. Q
UESTIONS ABOUT BATTERY
...................................................... 29
6.2.2. Q
UESTIONS ABOUT STARTING THE HELMET
................................. 29
6.2.3. Q
UESTIONS ABOUT WEARING ADJUSTMENT
................................ 30
7. NOTICES AND AFTER-SALES SERVICE .............................. 31
7.1. A
FTER
-S
ALE
S
ERVICE
T
ERMS AND
C
ONDITIONS
...................... 31
7.2. C
USTOMER SERVICE POLICY UNDER WARRANTY
...................... 31