Product Manual

Battery Charging
When the battery signal on the LCD indicates low battery level, open the USB cover and connect the 658 via
USB cable. The Multi-function button will change to red while in the charging mode. When charging is
complete, the red Multi-function light will turn off.
Cell Model No: PR-632540N
Product Name:
Secondary ( Rechargeable ) 3.7V Li-ion
Battery 620mAh, 2.294Wh
TCL Hyperpower Batteries Inc
No.,3,Hechangdongliu Rd.
H
uitai Industrial Zone,
Huicheng District, Huizhou,
Guangdong,P.R.China,516006
Replacing the Eartips
To replace Adsoft
TM
Plus Eartips: Slide Adsoft
TM
PLUS eartip
over adapter until it locks tight into internal channel.
Repeat steps for second aural tube.
Eartips may be removed from binaurals for a thorough cleaning.
Periodically check that eartips are tightly secured to binaurals.
Caution -
Always check security of eartip before inserting in ears.
Replacing the Diaphragm
Your 658 Electronic ADSCOPE
TM
chestpiece is equipped with an
ultrasensitive Piezoelectric sound transducer, covered by a
silicone diaphragm.
To remove the Silicone Diaphragm: Gently pull off one side of
the diaphragm from the rim, and continue around
edge until the diaphram comes completely off (figure 1).
To replace the Silicone Diaphragm:
Clip one edge of the new diaphragm on the chestpiece rim and
gently stretch until entire diaphragm inserts fully in the track
around the rim (figure 2).
NOTE: Do not touch Piezoelectric sound transducer located in
the center of the chestpiece under the diaphragm, as it is
extremely sensitive and could cause damage to it (figure 3).
Care and Maintenance
• Avoid extreme heat, cold, solvents, or oils.
• Do NOT leave exposed to direct sunlight for prolonged periods of time.
• The headset can be wiped down with alcohol or mild soapy water.
• Eartips may be removed from binaurals for a thorough cleaning.
NOTE:
• Fully charge before first use.
• The 658 scope cannot be used WHILE it is being charged.
USB
Port
(Figure 1)
(Figure 2)
(Figure 3)