Sytech Easy Talk SY-1490 Manual Del Usuario página 13

When the unit is on on-hook or off-hook state, press the SET/ST key and then press the UP/+ key nine times.
The LCD will display "CONTRAST ADJUST". Press the SET/ST key and "CONTRAST 3" will appear on the
LCD indicating the default contrast is set to level 3. Use the UP/+ or DOWN/－ keys to select among the 5
levels.
You can also adjust the contrast while in on-hook state. Press the BRI/DND key for 3 seconds to enter the LCD
contrast adjustment directly.
LCD backlight On/Off setting
When the unit is on on-hook or off-hook state, press the SET/ST key and then press the DOWN/－key nine
times. The LCD will display "LIGHT". Press the SET/ST key and "LIGHT ON" will be flashing on the LCD
display. Use the UP/+ or DOWN/－ keys to select "LIGHT ON" or "LIGHT OFF" to set the LCD backlight to
your choice.
When selecting "LIGHT ON", the backlight will light up when receiving an incoming call, dialling, pressing any
key, or on music hold state. If there is no activity during 10 seconds, the light will automatically turn off.
When selecting "LIGHT OFF", the backlight will not light up at any time.
NOTE: The Backlight function will only work when new batteries are inserted.
Ring melody setting
When the unit is on on-hook or off-hook state, press the SET/ST key and then press the DOWN/－ key eight
times. The LCD will display "RING MELODY". Press the SET/ST key and "RING MELODY 1" will appear on
the display. Use the UP/+ or DOWN/－ keys to select your desired ring melody and press the SET/ST key to
confirm.
NOTE: 1~8 are normal ringing tones. 9~18 are chord music tones. Ring 1 is set as default
Dialling mode setting
When the unit is on on-hook or off-hook state, press the SET/ST key and then press the DOWN/－ key seven
times. The LCD will display "DIAL MODE". Press the SET/ST key and "TONE" will be flashing on the LCD
display. Use the UP/+ or DOWN/－ keys to select the dialling mode to tone or pulse. Press the SET/ST key to
confirm.
Anti-dialling from parallel phone setting
When the unit is on on-hook or off-hook state, press the SET/ST key and then press the DOWN/－ key six
times. The LCD will display "PARALLEL". Press the SET/ST key and "ALLOW"will be flashing on the LCD.
Use the UP/+ or DOWN/－ keys to select "FORBID" or "ALLOW". Press the SET/ST key to confirm.
When selecting "ALLOW", you will be able to connect parallel phones via the same telephone line. If
"FORBID" is selected, you will not be able to connect any parallel phone via the same telephone line. In
"FORBID" mode you will here a "Di-Du" tone indicating the setting is set to "FORBID".
OGM target number setting
This function will show up in the menu but it is not supported by the SY-1490.
Pre-dialling announcement setting
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