Test Mode; Function Test Mode; Preparation; Keys And Leds Test - Panasonic KX-DT543-B Service Manual

7 Test Mode

7.1.

Function Test Mode

7.1.1.

Preparation

Preparation device
• Unit for Test phone
• PBX (including DLC or DHLC)
Set up unit in test mode by key control
1. Connect DLC or DHLC (power on) while pressing "1","*" and "CONF" keys at the same time.
Keep pressing about 5 seconds.
2. All red LED turn on and beep sounds is heard.
3. After the LCD displays [HOOK Test] on LCD, release keys.
7.1.2.

KEYs and LEDs Test

1. Then the LCD displays [HOOK Test].
(When skip [HOOK Test], Press SP-PHONE key. )
The SP-PHONE LED is on/off according to HOOK switch.
Press SP-PHONE key.
2. Then the LCD displays [HEADSET Test].
(When skip [HEADSET Test], Press SP-PHONE key. )
The SP-PHONE LED is on/off according to Headset detection.
Press SP-PHONE key
3. Then the LCD displays [Plantronics Test].
(When skip [Plantronics Test], Press SP-PHONE key.)
The SP-PHONE LED is on/off according to EHS detestion of Plantronics headset.
Press SP-PHONE key.
4. Then the LCD displays [Jabra Test].
(When skip [Jabra Test], Press SP-PHONE key. )
The SP-PHONE LED is on/off according to EHS detestion of Jabra headset.
Press SP-PHONE key.
5. Then the LCD displays all dots.
(When skip [Plantronics Test], Press SP-PHONE key. )
Confirm all dots of LCD and backlight are on.
Press SP-PHONE key.
[KEYs Test]
6. Then the LCD displays [Key-Check Test] .
Press all keys except SP-PHONE key.
Press SP-PHONE key. LCD displays [All Keys Pressed OK]
[LEDs Test]
7. Confirm all red LEDs and intercom LED turn on.
Press SP-PHONE key.
8. Confirm all red LEDs of CO line change to green
Press SP-PHONE key
9. Then the LCD displays [RESONANCE Test]
This test mode is not used in service. Press SP-PHONE key. Then it returns the first.
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KX-DT543/KX-DT543-B/KX-DT546/KX-DT546-B