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1. OPERATIONAL OVERVIEW
1-4
1.5 Control Unit Dimmer, Contrast
You can adjust the dimmer and contrast of the control unit.
1. Press the 9/
key to show the dimmer/contrast adjustment window.
EXIT:[CANCEL]
6
45
DIMMER (1~8)
CONTRAST (40~63)
2. Rotate the ENTER knob to choose DIMMER or CONTRAST, whichever you want to
adjust, and then push the ENTER knob.
DIMMER (1-8)
6
CONTRAST (40-63)
55
Dimmer adjustment window Contrast adjustment window
3. Rotate the ENTER knob to adjust and then push the ENTER knob.
4. To quit, push the CANCEL key.
1.6 Loudspeaker
The alarm beeps (other than distress communication) can be turned on or off.
1. Press the 7/
key to alternately disable or enable the loudspeaker and the alarm
generated for routine messages. SPEAKER ON or SPEAKER OFF appears with each
press.
2. Rotate the PWR/VOL knob to adjust volume of loudspeaker (cw: volume up, ccw:
volume down).
1.7 Setting Scan Frequencies
The DSC screen scans multiple routine frequencies according to operator-set interval. For
how to set frequency to scan, see section 6.13.
Note that voice and telex communication are not available when scanning. (However, they
are available when the system is equipped with the optional watch receiver.)
1. Press the 6/SCAN key to show the DSC screen. Scanning starts.
2. Press the 6/SCAN key again when the desired frequency is chosen to stop the cursor.
You can scan only the frequency chosen by cursor.
3. Rotate the ENTER knob to move the cursor.
4. Press the 6/SCAN key to restart the scanning.