Sony HDW-F500 Maintenance Manual page 130

4-3. Maintenance Menu
4-3-1. PANEL MAINTENANCE Menu
[F7] (KEY) Key :
Performs tests on the keys, switches and LEDs.
(1) Press keys in accordance with the message on the
menu to perform the test. Check that the buzzer sounds
each time when pressed a key.
(2) When all the tests completed, message Key TEST
passed. appears. If detected any abnormal condition
in keys and/or switches, no buzzer sounds even if you
pressed a key and the test does not proceed any
further.
(3) Press [SFT] key and [CLR] key simultaneously to
abort the process of testing.
4-14
CH.COND
K EY TE ST
P ress Key F1.
C A R D
A ll L EDs s houl d ON .
I / F
P ress [SFT ]+[C LR] to e xit .
B U Z Z E R E L K E Y D I A L
PA NEL MAIN T
TCR 0 0:00 :00: 00
E X I T
HDW-F500E MMP1