10
OTHER FUNCTIONS
36
■
LCD contrast
The LCD (Liquid Crystal Display) contrast can be selected
from 1 of 3 levels. Select a contrast which gives the best read-
ability for the ambient light conditions. “1” is the lowest con-
trast available and “3” is the highest contrast available.
q
Turn power ON while pushing
[
(H/L)
SET] to enter initial set mode.
w
Push [
(H/L)(SET)
J
] or [
(TONE)
K
]
several times until “LC” appears
as shown at right.
e
Rotate [DIAL] to select the de-
sired contrast.
r
Turn power OFF to exit initial set
mode.
■
Power saver
The power saver function reduces the current drain to con-
serve battery power. The power saver duty cycle can be set to
automatic, 1 : 4, 1 : 16 or OFF. Setting it to 1 : 16 conserves the
most power. For packet operation, the power saver should be
turned OFF to receive reliable packet data. The power saver
is deactivated when more than 12 V DC is connected to the
[DC13.5V] jack.
q
Turn power ON while pushing
[
(H/L)
SET] to enter initial set mode.
w
Push [
(H/L)(SET)
J
] or [
(TONE)
K
]
several times until “PS” appears
as shown at right.
e
Rotate [DIAL] to select the de-
sired duty cycle or to turn the
function OFF.
• “AUTO” selects “1:4” duty ratio when
receiving no signal for 5 sec., then
“1:8” 60 sec. after that.
r
Turn power OFF to exit initial set
mode.
NOTE: When the duty cycle is set
to 1 : 16, signals may be clipped
up to a 2 sec. maximum.
USING
Initial set mode
Automatic duty cycle
Standby: 125 msec.
Circuit off: 500 msec.
Standby: 125 msec.
Circuit off: 2 sec.
Power saver is OFF.
USING
Initial set mode
Low contrast
High contrast
LOW
T SQL
DUP
MAIN
MAIN
S
GUIDE
75
50
25
LOW
75
50
25
T SQL
DUP
S
LOW
T SQL
DUP
MAIN
MAIN
S
GUIDE
75
50
25
LOW
75
50
25
T SQL
DUP
S
LOW
T SQL
DUP
MAIN
MAIN
S
GUIDE
75
50
25
LOW
75
50
25
T SQL
DUP
S