• DOC’S RADIO REPAIR HR2510 / HR2600 / LINCOLN 10 Meter Amateur Transceiver C H I P S W I T C H OWNERS MANUAL Revised August 28th, 2000 - 1. • Table of Contents FIRST TIME INSTALL / POWER UP..3 ENABLE/DISABLE FUNCTIONS..4 PROGRAM MODE.. 5 MEMORY CHANNEL TEMPORARY LOCKOUT.6 SCAN LIMITS ON/OFF..7 SPLIT FREQUENCY OPERATIONS ON/OFF.8 OPERATING IN SPLIT FREQUENCY MODE.9 SPLIT FREQUENCY POLARITY CHANGE. • ‘forget’ what you have programmed into it. If this should happen, your radio will display ‘HR2510’ and you will need to re-program it just as you did when the chip was first installed. Also, a severe electrical disturbance may cause your radio’s memory to become ‘con. • ENABLE/DISABLE FUNCTIONS While the HR2510 / HR2600 / LINCOLN is in OPERATE MODE, you can enable or disable any of the radio’s major functions from the front panel.

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Some of these functions are not operational in specific “BANDS.” The display segment before the frequency readout indicates which function is enabled. • PROGRAM MODE This function enables you to program the new CHIPSWITCH features on the HR2510 / HR2600 / LINCOLN. Press the F.lock button in.

Press the Meter (INDICATOR for the LINCOLN) and Channel up buttons simultaneously The radio notifies you that you are in PROGRAM MODE with “. • MEMORY CHANNEL TEMPORARY LOCKOUT This enables you to temporarily lockout any user-programmed frequency(s) for SCAN and SEEK functions. To enable or disable this toggle function: Step 1. Assuming frequencies were programmed into any memory group, go to any MEMORY BAND (Band 1, 2 or 3) where you wish to scan or seek.

• SCAN LIMITS ON/OFF This toggle function allows you to enable or disable the SCAN and SEEK frequency limits for Band 0. If this toggle function is enabled, and a lower and an upper frequency limit is programmed in FEATURE 3 and 4, the radio will scan or seek only between these frequencies. • SPLIT FREQUENCY OPERATIONS ON/OFF This toggle function allows you to transmit on one frequency while receiving on another. The Split Frequency feature is only available in Band 0.

To enable and use this function: Step 1. Go into PROGRAM MODE Step 2. • OPERATING IN SPLIT FREQUENCY MODE To use this function reliably, the two parties involved in the QSO must be versed on operating split channels. Two users are mentioned in the explanation below, OPERATOR A and OPERATOR B, to better understand the procedures. • SPLIT FREQUENCY POLARITY CHANGE The SPLIT FREQUENCY POLARITY is initially programmed in the PROGRAM MODE.

In some instances, you may wish to change polarity without having to go into Program mode. To use this feature: Step 1.

Press F.lock button in. • PRIORITY CHANNEL ON/OFF **REQUIRES ADDITIONAL HARDWARE When enabled, this function allows you to continuously moni- tor one frequency while operating on another. To enable this function: Step 1. Go into PROGRAM MODE. Enter a frequency in FEATURE 44. • PRIORITY CHANNEL CHECK & LOCK FEATURE 45 allows you to select PRIORITY CHANNEL functionality.

If you choose a value between 0 and 3, the priority channel selected in FEATURE 44 will be checked and the radio “beeps” to notify you of any activity on that channel. This feature only notifies you of activity on the priority channel. • MASTER RESET Step 1.