Sony mdr if 710 service manual

Page 2

MDR-IF71O

SECTION 1
GENERAL

This section is extracted from
instruction manual.

L (lelt) sideg

II] Headband
{E lntrared sensors
IE Battery compartment covers

Bjsouno MOOE/DOLBY 0 NR switch'
When using the Dolby O NH (noise reduction) tunction. set this switch and
the SOUND MODE switch on the transmitter to A. The Dolby C NR
lunotion reduces hissing.
It you are using the transmitter ol the MDR-lFSK cordless headphones
system, set this switch to B(OFF); you cannot use the Dolby C NR
lunction with the transmitter oi the MDR-lFSK.

@Powsn switch and Indicator
Press to turn on the power or this unit. When the power is turned on, the
red indicator lights up. To turn the power oli, press it again. When the
power is on (or more than three hours, the power switch automatically
turns oil to prevent battery drainage.

@VOL (volume) controls
Adjust the level 0! each (right or telt) channel.

Installing Batteries

Two size M (R6) batteries or the NOSWM/NC-SWM rechargeable batteries
(not supplied) can be used to supply power to this unit. Always use the same
type of batteries lor the right and lett battery compartments

When you use the rechargeable batteries, use the dedicated battery charger
BO-7L. For intormation about charging operations, reter to the manual
supplied with the charger.

When the batteries get weak
Replace (Recharge) both batteries when the POWER indicator becomes dim
and hissing increases.
The battery lite tor continuous use is as follows:

Battery type
Sony alkaline battery AM-a

Sony battery SUM-3 (NS)

Estimated lite
approx. 55 hours
approx. 27 hours

Installation

To Install the batteries. lotlow this procedure,

1 Open the battery compartment covers.

2 insert the new batteries into the compartments as indicated on the covers.
3 Close the battery compartment covers.

\ 2
/_

\

1 3

R side

f

F

Rechargeable battery NC~6WM
Rechargeable battery NC-SWM

approx. 16 hours
approx, 13 hours