JRC JMA-932B-SA User Manual page 85

[POWER] (Power supply) switch
1
The lamp is lit and the equipment is activated.
When switch is pressed while the equipment is running, the power of the equipment is shut down.
→ To section "3.1.1 Power ON and Start the System"
[PWR ACK] (Power alarm acknowledgement) key
2
Use this function to acknowledge the alarm when power supply abnormality occurs.
To enable this key, an external battery (separate power from normal AC) is required.
[TX/STBY] (Transmission/Standby) key
3
When the [PWR] switch is pressed, the "STANDBY" message is displayed in the top-left corner of the
screen in about 3 minutes. When this key is pressed, transmission starts. And then this key is pressed
during transmission, the equipment is set to a standby state.
→ To section "3.1.1 Power ON and Start the System"
[ALARM ACK] (Alarm acknowledgement) key
4
Use this function to acknowledge alarms such as failure alarm, approaching target alarm, and collision
alarm.
By pressing this key at the occurrence of an alarm, the alarm sound can be stopped.
If multiple alarms occur, press this key same time as the alarms.
→ To section "3.2.7 Reset Alarm Buzzer"
[TUNE] (Tuning) dial
5
Use his function to tune a transmitter.
The mode is switched to manual/automatic whenever this dial is pressed.
→ To section "3.2.3 Tune"
[RAIN] (Rain / snow clutter suppression) dial
6
This function suppresses rain / snow clutters.
To increase the effect of suppression, turn the dial clockwise.
The mode can be switched to manual or automatic by pressing the dial.
→ To section "3.2.6 Suppress Rain/Snow Clutter"
[SEA] (Sea clutter suppression) dial
7
This function suppresses sea clutter.
To increase the effect of suppression, turn the dial clockwise.
The mode can be switched to manual or automatic by pressing the dial.
→ To section "3.2.5 Suppress Sea Clutter"
[GAIN] (Gain/pulse length) dial
8
This function adjusts the reception sensitivity of the radar.
To increase the sensitivity, turn the dial clockwise.
The transmission pulse width can be switched by pressing the dial.
→ To section "3.2.4 Adjust Gain" for the sensitivity
→ To section "3.4.2 Switch Transmitter Pulse Length" for the pulse width
2.2 Names and Functions of Control Panel Keys
2-12
2