FUNCTION OPERATION CHECKING (VIDEO AND AUDIO)
(Continued)
No. Adjusting point Adjusting procedure/conditions Waveform and others
OSD LAN-
GUAGE
QUANTITY
CHECK
Check OSD LANGUAGE quantity and type as Eng-
lish, Russian, Chinese, French, Arabic and Malay.
12
1
1. Receive "PAL COLOUR BAR" signal.
2.
1.
2.
Turn up the volume control to maximum, make
sure the sound is heard from the speakers. Then
put the unit in no signal state.
3. Check the sound mute is effective.
4. Finally turn sound level of CTV to minimum.
SOUND
SYSTEM
10 1. Receive "PAL-D/K" signal, press the "SOUND
SYSTEM" to select B/G, I. Check the sound out-
put is not working properly. Select D/K and check
the sound output to make sure it is working prop-
erly.
2. Receive "PAL-I" signal, press the "SOUND SYS-
TEM" to select B/G, D/K. Check the sound output
is not working properly. Select I and check the
sound output to make sure it is working properly.
3. Receive "PAL-B/G" signal, press the "SOUND
SYSTEM"to select I, D/K. Check the sound out-
put is not working properly. Select B/G and check
the sound output to make sure it is working prop-
erly.
NOISE MUTE
CHECKING
11
No. Adjusting point Adjusting procedure/conditions Waveform and others
HEADPHONE JACK CHECKING
HEADPHONE
OUTPUT
CHECKING
Receive PAL COLOUR BAR with SOUND
400Hz, 100% MODULATION (±50kHz Dev).
Maximum volume, and check the headphone
output with 400Hz sound and no sound out from
speaker.