Control Panel Operation - NEC MultiSync FE700 Serviceanleitung

3.
Power saving – 2 pins (#SUSPEND, #P-OFF) for power saving control
– if fH > 71KHz or fH < 30KHz, enter power saving mode (Stand By).
– enter power saving mode after 3 sec when condition met.
– enter suspend mode first for 3 sec before enter off mode if off mode condition met.
Mode H-sync freq.
ON
Stand By
Suspend
Off
4.
Mute – 2 pins for screen mute
Mute1 – active low pulse for about 0.6 sec when mode change.
Mute2 – active low pulse for about 1.0 sec when mode change, active with mute 1 simultaneously.
5.
D/A
– MCU has 14 pins PWM output which are Brightness, Contrast, H-phase, H-size, V-center, V-size,
Pincushion, Trapezoid, Rotation, Parallel, Pin-balance, R-gain, G-gain and MOIRE CANCELER.
– OSD IC has 4 pins PWM output which are B-gain, R-bias, G-bias and B-bias.
6.
Sync output – 2 pins for H-sync and V-sync negative output, normal high.
7.
DDC – 2 pins (DDC SDA/DDC SCL) for DDC1/DDC2B or auto alignment control.
– In auto alignment mode, all keys and OSD are disabled.
8.
SDA/SCL – 2 pins for EEPROM and OSD control.

Control Panel Operation

1. Key arrangement – 7 keys for OSD control.
2. Hot key operation
RESET key – Enter selftest mode if pressed when power on In User Mode.
2
I C interface
1. DDC1/DDC2B – VESA DDC1/DDC2B is supported.
Auto alignment – I²C auto alignment protocol is supported.
2.
V-sync freq.
Yes Yes
No Yes
Yes No
No No
Multisync
#SUSPEND #P-OFF
1
1
0
0
8 - 6
1
1
1
0