DRAKE MPM860AG Podręcznik użytkownika - Strona 2

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Front Panel Controls and Indicators

F1 - POWER/ERROR Indicator

Lights when the unit is connected to the required

source of DC power via the rear panel DC INPUT

connector. A ﬂashing condition indicates an invalid

channel setting or other conditions that would cause

the unit to operate on an invalid channel. The RF

output is switched oﬀ for ﬂashing (ERROR)

conditions.

F2 - Channel Select Switch

Sets the desired operating channel for standard

CATV channels 02 through 135 or Broadcast TV

channels 02 through 69. See also Item F3 which sets

the type of channel (CATV or BCTV) and sets the

leading "1" for CATV channels 100 through 135.

F3 - Mode Switch

Sets the type of channel, CATV or Broadcast TV

(BCTV). The ﬁrst position of the switch (+100) sets a

leading "1" for CATV channels 100 through 135. See

also Item F4 for setting the channel.

MPM860AG

(Front)

MPM860AG

POWER/

ERROR

CATV

BCTV

+100

GAIN

Figure 1

Here are two examples:

F4 - GAIN

This screwdriver adjustment permits adjustment of

the MPM860AG's gain over a minimum of 10 dB

range. Adjust to set output level to +45 dBmV.

The MPM860AG is linear and if the input level is

changed, the MPM860AG's output level will follow.

Setting for CATV

channel "125"

CATV

BCTV

Setting for CATV

channel "25"

CATV

BCTV