1656 & 1657 Battery Element Tester Owner’s Manual
STS Instruments Page 27 of 88
Controls Description
The rotary knob in the center of the front panel is used to adjust
settings and values as displayed on the LCD screen whenever the
selected field is in EDIT mode. EDIT mode is indicated by a
blinking field. To Enter/Exit EDIT mode, push in the knob till a
click is felt and heard. To adjust a value, turn the knob to the
right (increment) or the left (decrement.)
When not in EDIT mode, the same knob is used to scroll from
field to field in any menu screen. A selected field is indicated by
a reversal of the text and background color of the field.
The MENU key brings up the MAIN MENU screen. From this
screens, all settings can be accessed and changes as needed
using the ADJUST knob to scroll through fields. Some fields will
bring up nested MENU’s below the MAIN MENU.
The LOCAL key may be used to change the state of the
instrument from LOCK (no front panel control) to LOCAL.
NOTE that this key may be disabled through the remote control
The ESC (Escape) key exits any menu field and backs up to the
previous state of the selected field.
The LOCK key may be used to put the instrument in a LOCKed
state. In this state, no changes to any settings can be made. To
unlock the instruments, a password must be entered. Refer to
These 3 keys allow for quick setting of the voltage test level for
1000V (VOLT1), 2000V (VOLT2) or 3000V (VOLT3)
These 3 keys allow quick setting of the following trip levels:
TRIP1 = 200/250
TRIP2 = 400/500
The red CHECK Button is START a test. The test will be run for
the number to counts set or indefinitely is set to “CONT.” If this,
case the RESET button must be used to terminate a test. During
a test, the CHECK button will blink ON at the programmed test
interval rate. The green RESET light will be OFF during a test.
The green RESET Button may be used to stop a test in progress.
When the green light is ON, the red CHECK light will be off.
When a battery cell fails the test, the red CHECK light will blink at
a lower rate and the alarm will be ON. Once the operator
removes the probes from the defective cell, the alarm will turn
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