User Manual
017
Button operations / Using the POWER/HOLD switch and turning the power on/o
4-1 
Using the POWER/HOLD switch and turning the power on/o
Button operations
Left side
POWER/HOLD 
switch
1
Turn all connected  
equipment o rst.
2
Insert an SD card.
3
Slide the POWER  
switch to turn the  
power on and start up.
4
Turn connected 
instruments and  
monitoring equipment  
on in that order.
Turning the power on and starting up
NOTE:
•  Before  turning  the  power  on,  lower  the 
volume  of  instruments  and  monitors 
connected to the H4n Pro.
•  If the display reads 
“No  Card”  when 
starting  up,  make 
sure  that  an  SD 
card  is  inserted 
correctly.
•  If  the  display  says  “Reset  DATE/TIME” 
when  starting 
up,  the  date  and 
time  have  been 
set to their default 
values.
Ref. 
☞
P.026
Date and time setting
HINT: Turning multiple devices on
When  many  devices  are  connected,  turn 
them on in the following order.
Instruments
H4n Pro
ON ON ON ON
Mixer Amp










