GDC-480H/500H Wireless Handset
User Guide
3
GDC-480H/500H (rear view)
If an Ear Microphone/Headset is attached to a GDC-480H/500H, it can receive or release a
call. It is recommended to use a Headset meeting JIS C-6560 Specification. Press the button
on the Ear Microphone/Headset to receive an incoming call when ringing, and do the same
action to release the call. Making a call by using the Ear Microphone/Headset is supported,
too; press the button once on the Ear Microphone/Headset when in the idle state, then select
a number to dial from the redial list and the make the call by pressing the button.
Note:
Using a noise canceling or unidirectional Ear Microphone/Headset, with an impedance below
1 K
Ω
(usually is 1-2.2K
Ω)
may cause abnormal operation (unit may self-answer without
pressing the button when an incoming call is received, and unit may hang-up unexpectedly
while using the Ear Microphone/Headset).
Warning
1) Do not insert any external substance except ear-microphone for GDC-
480H/500H in the hole. Inserting anything except for ear-microphone provided
by general maker may cause severe damage to the terminal.
2) Be careful not to let any foreign materials get into the product. In particular, if a
staple and pins are magnetized on the receiver, make sure to eliminate it before
use. Using it in such condition may cause fire, electric shock, or injury
especially on the face.