Cell Phone User Manual

1 OPERATIONAL OVERVIEW
1-4
1.5 Loudspeaker
1. Press the [7/ ] key to alternately disable or enable the loudspeaker and the alarm
generated for routine messages. SOUND: ON or SOUND: OFF appears with each
press.
2. To adjust loudspeaker volume do the following:
a) Press the [1/RT 2182] key to show the radiotelephone screen.
b) Rotate the [ENTER] knob to choose VOL at the bottom of the screen and then push the
[ENTER] knob.
c) Rotate the [ENTER] knob to adjust volume and then push the [ENTER] knob.
VOL
"OFF" shown when loudspeaker is off.
1.6 Scanning Routine DSC Frequencies
You can scan frequencies when using the DSC mode. For how to set frequencies, see
paragraph 7.4. Radiotelephone and telex are inoperative while scanning. However, in
case of the FS-2570, those modes may be used during scanning when the optional
internal watch keeping receiver is installed.
1. Press the [6/SCAN] key to show the DSC standby screen.
2. Press the [6/SCAN] key to start/stop scanning.
1.7 Automatic Acknowledge On/Off
The automatic acknowledge feature of the DSC/watch receiver automatically transmits the
acknowledge back (ACK BQ) signal to the sending station when an individual, position or
polling call is received. (For position and polling calls, respective item on the AUTO ACK
menu must be turned on to enable automatic acknowledge.) Automatic acknowledge can
be turned on or off at the DSC standby screen by the [5/ ACK/SQ] key. The message ACK:
AUTO or ACK: MANUAL appears at the bottom of the DSC standby screen with each
press of the key.
Note 1: To give priority to own ship’s communications while own ship is communicating,
show ACK: MANUAL by the above procedure.
Note 2: Automatic acknowledge is not possible under the following conditions:
Priority:
Distress, Urgency or Safety
Com Type: Morse, Fax, Data, No Info
Com Freq: No Info
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