Raymarine Ray430 - Manual (Page 36)

2. The unit front panel should be cleaned with a tissue or a soft non-abrasive cloth. Care should
be exercised when cleaning any plastic surface to prevent scratching, especially the LCD
window area. Mild soap and water may be used in stubborn cases. The unit case should be
cleaned of any salt spray or dust as often as necessary.
CAUTION
Do not use solvents or other chemicals for cleaning this equipment.
5.3
ADJUSTMENT
The RAY430 has been completely aligned at the factory and normally does not require any readjustment
at installation. However, it is possible to adjust the tone level of the Hail & Intercom signal.
5.3.1 Test Equipment
1 Audio Oscillator
2 AC SSVM
3 8-ohm Dummy Load
5.3.2 Listen Output Adjustment
Connect Audio Oscillator, AC SSVM and 8-ohm Dummy Load as shown in Figure 5-1 (Audio
Oscillator output: 6 mV).
Rotate the Listen Volume fully clockwise.
Adjust VR301 for 6 V on the AC SSVM.
Figure 5- 1 Test connection for Listen output Adjustment
5-2