(*1) See Handset Reference Drawing.
(*2) Special check method for Handset individually.
9.4. Adjustment Battery Low Detector Voltage
After replacing handset’s DSP (IC201) and EEPROM, Re-writing Battery Low voltage to EEPROM
is required.
Following Test mode flow chart (Refer to Test Mode Flow Chart for Handset),
DC power supply and Battery connector are required in this adjustment.
1. Set 3.9V for DC power supply.
2. Place handset in test mode.
3. Press “TALK” key 4 times to TX-Low mode. (CW Tx Low is displayed on LCD)
4. Set 3.51V for DC power supply.
* Check voltage at battery connector, because some voltage drop is happened, using long or
thin cable.
5. Press “#“key to write voltage value in EEPROM.
6. Turn power off. Then this value is available.
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