User manual

AT820
AT820
AT820
AT820 Series
Series
Series
Series User
User
User
User Manual
Manual
Manual
Manual
31
ATCOM TECHNOLOGY CO., LIMITED www.atcom.cn
5 .5 Phone Setting
5.5.1
5.5.1
5.5.1
5.5.1 Preference
Preference
Preference
Preference
5
5
5
5 .5.1.1
.5.1.1
.5.1.1
.5.1.1 Language
Language
Language
Language
Select the language shown on the LCD.
5
5
5
5 .5.1.2
.5.1.2
.5.1.2
.5.1.2 Output
Output
Output
Output Volume
Volume
Volume
Volume （
（
（
（ 1~8
1~8
1~8
1~8 ）
）
）
）
A. Handset Volume: Specify handset volume grade, range from 1 to 8.
B. SpeakerPhone Volume: Specify speakerphone volume grade, range from 1 to 8.
C. Headset Volume: Specify headset volume grade, range from 1 to 8.
5
5
5
5 .5.1.3
.5.1.3
.5.1.3
.5.1.3 Input
Input
Input
Input Gain
Gain
Gain
Gain
A. Handset Gain ： Specify handset gain, the bigger the gain, the louder will the other
end hear when the user is using the handset.
B. SpeakerPhone Mic Gain: Specify speakerphone mic gain, the bigger the gain, the
louder will the other end hear when user is using the speakerphone.
C. Headset Gain: Specify the headset gain, the bigger the gain, the louder will the
other end hear when user is using the headset.
5
5
5
5 .5.1.4
.5.1.4
.5.1.4
.5.1.4 LCD
LCD
LCD
LCD
A. Backlight Level: Specify the level of the blacklight : O ff, L ow, H igh.
B. Backlight Time(Seconds): Specify the duration that the blacklight will be on for .
C. LCD Contrast: Specify the LCD contrast,range from 1 to 8.