3Com 3645A, 3646A, 3644A manual Set up voltage, To set up by using Rotary knob

3600 SERIES USER MANUAL

2.3.1 Set up voltage

3600 series power supply provides two methods to set up the output voltage: by the number

keypad and by the rotary knob. Please see the following operation procedure.

Procedure	Operation details	LCD display
Step 1	Press “V-set”	ENTER PASSWORD
Step 2	Enter the password ( Or jump to step 4 if the keypad	ENTER PASSWORD
	is unlocked)
Step 3	Press “Enter” button ( it will return to step 2 if your	ENTER PASSWORD
	password is wrong for reentering)	****
Step 4	Press “V-set” .Set the voltage voltage to 24.00V by using	SET VOLT= 0.000V
	the number key or the rotary knob.	NEW=
Step 5	Press “V/A” or “mV/mA” to confirm the set,	SET VOLT= 24.00V
	it will return to step 4 for reentering if this voltage value	NEW= 18
	exceed the maximum output voltage.

It will exit the setting up voltage operation at any procedure by press ESC button

For example, how to set up the output voltage at 24.3V 1. To set up by using number keyboard

Step1. Press “V-set” button,

Step2. Enter the password by using the number keypad (if the keypad is unlocked, please do step 4),

Step3. Press Enter button (if the password is wrong, please do step2 for reentering),

Step4. Press “2”, “4”, “.” and “3” button to enter the voltage value,

Step5. Press “V/A” button to confirm the voltage value.

2.To set up by using Rotary knob

(1)If the keypad is unlocked by password, directly rotate the “Rotary knob”, and the voltage will be continually changed from the previews value according the rotation. At the beginning, the cursor will be shown on the last number of the value which is indicated on the LCD, you can

move the cursor to the first number, second number etc by using “ ”and “ ”

buttons, and then rotate to change each number, and let it stay at 24.3 V, then confirm the value by pressing “V/A” button.

(2)If the keypad is locked by password Step1. Press “V-set” button,

Step2. Enter the password by using the number keypad,

Step3. Press Enter button (if the password is wrong, please do step2 for reentering),

Step4. Rotate the Rotary knob button to change the value, the operation is as same as item(1) Step5. Press “V/A” button to confirm the voltage value.

3600 Series Programmable Power Supply

VERSION 2.0 2004.6 9