4.7. Setu
Pres
Brigh
B
B
U
f
A
/
s
4.8. Blue
1) T
up
ss OK bu
htness and
Bluetooth
Brightnes
UP /DOWN
focus stat
Auto Off:P
/DOWN bu
sleep mod
etooth Co
Turn on th
utton to e
d Auto Off.
h:UseOK b
ss:PressO
N button t
te.The ava
PressOK b
utton to c
de.
nnect
e Bluetoot
enter setu
button to s
K button
to change
ailable brig
button to
choose the
h function
upmenu.Th
set bluetoo
to set foc
e LCD's br
ghtness's
set focus
e time pe
on the inst
hree optio
oth power
cus on thi
rightness,
range is 1
s on this o
eriod after
trument.
ons are a
r on or off
is option.
use ESC
100% to 1
option.In f
r which th
available:
f.
In focus s
/ OK butt
0% in 10%
focus state
he meter e
HT64
Bluetooth,
state, use
ton to exit
% steps.
e, use UP
enters the
4
e
t
P
e
