HOW TO TAKE OFF NIGHT MODE - NEC Lands Phones

in the menu there is an option for day and night mode, check the settings it is probably on night mode. if it is on auto switch it to day mode.

Press the SPK (Speaker) key then enter the appropriate service code...
Service Code
818 + 1 Activating Day 1 Mode
818 + 2 Activating Night 1 Mode
818 + 3 Activating Midnight 1 Mode
818 + 4 Activating Rest 1 Mode
818 + 5 Activating Day 2 Mode
818 + 6 Activating Night 2 Mode
818 + 7 Activating Midnight 2 Mode
818 + 8 Activating Rest 2 Mode

for some phone the dy mode or night mode is used for ringer profil, at day mode the ringer will louder, and night mode ringer will silent

chose by your self
i hope this helpful
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When you put the camera into night mode, it adjusts the 'film' sensitivity to let the little light coming into the camera expose your picture. The problem with this, is that the more sensitive it is set, the more 'artifacts' you get on the picture. This is what you are seeing. Unfortunately, with a point&shoot, there are not normally enough control settings to let you adjust this manually. What you get on night-mode is what you have to put up with. However, making sure that you always use a tripod in Night Mode will help.

Set the Scene Mode for the appropriate Night landscape or Night protrait setting. If you are just taking in a view, then use Night landscape at nighttime (objects in the foreground could be out of focus in this mode). If you are photographing any number of people, animals, &/or objects at night, then use Night portrait (digital zoom would be unavailable in this mode).

In order to set the Scene Mode…
1. Enter scene mode: MODE in shooting mode --> SCENE (use the multi selector) --> OK.
2. Enter scene menu: MENU --> choose desired scene --> OK.
3. Frame the subject & shoot.

DON'T MOVE!! Nikon USA: "Slow shutter speeds are used to produce stunning night landscapes."

Night mode limits the maximum output of the subwoofer for later night listening or to be more considerate of close neighbors. Press the night button to turn the night mode feature on or off. Night
mode, when active, is indicated by the flashing blue power LED.

We may need to know the exact system you are using and the model of phone.

Also we will need to know the group number the system is using for night mode. Normally group number 601 is day and 602 is night. If you call 602 that would ring the phones currently in night. Also you can try calling at night and watch the screen of the phone that rings if its a smaller screen phone press the info button while its ringing and one of the options will show the night ring group number as well.
Respond to this and I can further help.

Night mode?

Do you mean Night Portrait mode? Select it by turning the mode dial to the appropriate icon, deselect it by turning the mode dial to some other mode.

Do you mean flash? It pops up automatically in the point&shoot modes (except for Sports, Landscape, and NoFlash). You have to pop it up in PSAM modes.

By pressing the night button. Is there a night button? Which system is it?