Cobra GPS 500 Guia do Utilizador descarregar pdf (Página 81)

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Document Class/Number:

DOC-UMN-AAA-AD

GLI-COBRA USERS MANUAL Revision: 001F

Button

Symbol

Function

Operation

Brightness

Level

Adjustment

Used to adjust

the illumination

intensity of the

front panel of

the unit.

NOTE: Depressing the down button beyond its lowest setting

will turn off the user input panel lights; however, the unit will still

operate.

Used to insert

cable offset in

the event longer

cables are

used, the unit

can

compensate for

the cable loss.

CABLE OFFSET: Pressing and holding the BRT UP and BRT

DN buttons simultaneously for 3 seconds allows user to enter

additional system gain to offset loss cables between the Signal

Conditioner and the transmit antenna.

“CBL OS:#” is displayed

Use the BRT buttons to select desired setting

0 = no additional gain

1,2,3,4 or 5 = 1, 2, 3, 4, or 5 dB additional gain

3 seconds after last button press, the input is accepted and

system returns to normal operating mode

7.2 L2 Offset Mode

The unit can be set to lower its L2 signal in rare instances where the unit is oscillating on the L2 channel.

Buttons

Function

Operation

Used to lower L2 signal.

In rare instances, L2

offset mode is useful as

it may improve system

performance if there is

less system gain on L2.

L2 signal is still

available for use with

offset.

L2 OFFSET: Pressing and holding the BRT DN

and LVL UP buttons simultaneously for 3 seconds

allows user to change the offset between L1 and

L2 signal

“L2OS:-#”

LVL buttons select desired setting

0 = no offset between L1 and L2 signals

-5 (default) = L2 signal is -5dB

-10 = L2 signal is -10dB

3 seconds after last button press, the input is

accepted and system returns to normal operating

mode

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