PN-E521 (serv.man3) - Sharp Monitor Service Manual (repair manual). Page 23

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CHAPTER 2. INSTALLATION, ADJUSTMENT, SETTING
PN-E601 INSTALLATION, ADJUSTMENT, SETTING
 2 – 4
<EXTERNAL SPEAKER TERMINALS>
n
To use an external speaker, set “SPEAKER SELECT” on the SETUP
menu to “EXTERNAL”.
n
Be sure to use external speakers with an impedance of 6 
Ω and a
rated input of at least 10 W.
1 ) Attach a speaker cable core (included with the PN-ZB01) to the
end of the speaker cable connected to the monitor.
2 ) While pushing the tab, insert the tip of the cable.
3 ) Release the tab.
CAUTION
n
Be sure to connect the + and - terminals and the left and right
speakers properly.
n
Avoid short circuiting the + and - terminals.
n
When “SPEAKER SELECT” is set to “EXTERNAL”, the internal
speaker is disabled.
■ CONTROLLING THE MONITER WITH A PC 
(RS-232C)
You can control this monitor from a PC via RS-232C (COM port) on the
PC.
You can also connect multiple monitors via a daisy chain by using a PC.
By assigning ID numbers to each monitor (see page 19), you can make
input mode selection/adjustment or can check the status of a specific
monitor.
You can also connect multiple monitors via a daisy chain by using a PC.
By assigning ID numbers to each monitor, you can make input mode
selection/adjustment or can check the status of a specific monitor.
CAUTION
PRECAUTIONS WHEN THE PN-ZB01 (OPTIONAL) IS 
ATTACHED
n
To control the monitor via RS-232C, set RS-232C/LAN SELECT
to RS-232C.
n
You cannot use RS-232C and LAN control simultaneously.
<ONE-TO-ONE CONNECTION WITH A PC>
Connect with RS-232 straight cable between the PC's COM port (RS-
232C connector) and the RS-232C input terminal on the monitor.
Approx.
3-15/16 inch
(10 cm)
To COM port 
PC 
RS-232C input terminal
RS-232 straight cable  
(commercially available) 
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