6. MAINTENANCE
For preventive maintenance and instructions on obtaining factory service, please refer to the OWNER’S MANUAL SUPPLEMENT. For general trouble- shooting, refer to this Troubleshooting Chart.
TROUBLESHOOTING CHART
SYMPTON | PROBABLE | REMEDY |
| CAUSE |
|
|
|
|
The SCAN key | No channels | Use the MEM key to enter |
does not start the | memorized. | desired channels into the |
scan. |
| transceiver’s memory. |
|
|
|
| Squelch is not | Adjust the squelch to |
| adjusted. | threshold or to the point |
|
| where noise just disappears. |
|
| Further adjustment of the |
|
| squelch control may elimi- |
|
| nate incoming signals. |
|
|
|
The USA/INTL/ | Proper operation | HOLD down the 16/9 key |
CAN modes do | not followed. | and press the WX key. |
not function. |
|
|
|
|
|
Rotating the | Low battery. | Charge battery. Refer to |
SQUELCH |
| section 5 of this manual. |
CONTROL knob |
|
|
does not eliminate |
|
|
background |
|
|
noise. |
|
|
|
|
|
Cannot change | Key Lock is on. | Turn Key Lock off. |
any function. |
|
|
|
|
|
Key Lock does | Proper operation | Hold down the LAMP key for |
not function. | not followed. | 1 second. |
|
|
|
Indicator does not | Defective battery | Contact your Vertex Horizon |
light when | dealer. | |
charging a |
|
|
battery. |
|
|
|
|
|
HX460S | Page 25 |
