PRESIDENT HR2600 Service Manual download pdf (Page 2)

Table of Contents

To convert the HR2510 to 11 Meter operation: ....................................................................................... 4

To convert the Lincoln to 11 Meter operation: .......................................................................................5

HR2510 Modification for increased MicGain .......................................................................................... 6

President or Uniden HR-2510 Variable Power Modification .................................................................7

Increasing the power output for the HR2510........................................................................................... 8

Modification of the HR2510 Mic buttons to operate the VFO ............................................................. 10

MOD # 1 ........................................................................................................................................ 10

MOD # 2 ........................................................................................................................................ 11

Talkback Removal..................................................................................................................................... 13

MOD #1 - The Relay Approach .................................................................................................. 13

MOD #2 - The Solid State Approach I .......................................................................................14

MOD #3 - The Solid State Approach II ...................................................................................... 15

HR2510 RIT / Clarifier Mods ................................................................................................................. 16

RIT MOD I ...................................................................................................................................16

RIT MOD II .................................................................................................................................. 16

RIT MOD III ................................................................................................................................ 16

RIT MOD IV ................................................................................................................................. 17

HR2510 Misc. Enhancements. ................................................................................................................. 18

Increasing the Receive Audio I .................................................................................................... 18

Increasing the Receive Audio II .................................................................................................. 18

Increasing the Receive Audio III ................................................................................................ 18

Mute circuit improvement ........................................................................................................... 18

Roger Beep Mods .......................................................................................................................... 18

Adding an external meter to the HR2510 .................................................................................. 19

1 2 3 4 5 6 7 ... 30 31

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