)
| Switch position |
Tester connection |
Resistance |
| "SPEECH" switch pushed |
1 - 2 |
Approximately 4.6 kΩ |
| "OFF HOOK" switch pushed |
Approximately 6.3 kΩ |
|
| "ON HOOK" switch pushed |
Approximately 8.6 kΩ |
|
|
ILLUMINATION CHECK |
| Apply the battery voltage to the connector terminal No. 3, earth the terminal No. 4, and then check that the illumination lights up. |