Sony WRR-861A Mode D'emploi page 9

See "Setting the Squelch Level" on page 11.
8 Display section
Shows the status of the tuner.
For details of each indication, see A to D.
RF AF BATT
GP CH
A AF (audio frequency) indication
Lights when the output audio signal is over the reference
level.
B BATT (battery) indication
Displays the status of the batteries of this tuner.
See "Battery indication" on page 6.
C GP/CH (group/channel) indication
Shows the receiving channel group and channel number.
Each time you press the MODE button the group/channel
indication changes to the frequency, squelch level,
accumulated operating time and backlight mode indications.
Group/channel
A
B
Backlight mode
C
Group/channel and frequency indications show those of
D
the 6668 model as an example
For each item setting, see page 8 to 13.
D RF (radio frequency) indications
The number of dots shows the RF input level as below.
Four dots on:
Three dots on:
Two dots on:
One dot on:
No dot:
9 + (+ selection) / – (– selection/reset) buttons
When setting the transmission channel, frequency, squelch
level and backlight mode, press these buttons to change its
contents. The "–" button resets the accumulated time
indication to "00:00".
Frequency Squelch level
Accumulated
operating time
more than 35 dBµ
between 25 dBµ and 35 dBµ
between 15 dBµ and 25 dBµ
between 5 dBµ and 15 dBµ
less than 5 dBµ
5
(US)