User manual
Rainbow2 IP Phone User Manual
ATCOM TECHNOLOGY CO., LIMITED www.atcom.cn
30
4.5 Phone Setting
4.5.1 Preference
Language
Support customizable multi-language.
Output Volume(1~8)
1. Handset Volume: Specify handset volume grade
2. SpeakerPhone Volume: Specify speaker volume grade
3. Headset Volume: Specify headset volume grade
4. Ring Volume: Specify ring tone volume grade
Input Gain
1. Handset Gain: Specify handset gain, the bigger the gain, the louder the other end heard.
2. SpeakerPhone Mic Volume: Specify speaker gain, the bigger the gain, the louder the other end
heard.
3. Headset Volume: Specify headset gain, the bigger the gain, the louder the other end heard.
LCD
1. Backlight Level: select the backlight level
2. Backlight Time(Seconds): select the backlight time
3. Contrast: select the contrast level
4. Keypad Password: set keypad access password
Control Timer Values(Seconds)